add app

app/src/App.css

@@ -0,0 +1,7 @@
+.logo.vite:hover {
+  filter: drop-shadow(0 0 2em #747bff);
+}
+
+.logo.react:hover {
+  filter: drop-shadow(0 0 2em #61dafb);
+}

app/src/App.tsx

@@ -0,0 +1,39 @@
+import "./App.css";
+import Timeline from "./components/Timeline";
+import Canvas from "./components/Canvas";
+import Properties, { PropertiesContainer } from "components/Properties";
+import MenuBar from "components/MenuBar";
+import ToolBar from "components/ToolBar";
+import { useEffect } from "react";
+import { invoke } from "@tauri-apps/api/tauri";
+import { useFontsStore } from "stores/fonts.store";
+
+export default function App() {
+  const { setFonts } = useFontsStore();
+
+  useEffect(() => {
+    invoke("get_system_fonts").then((data) => {
+      if (data && Array.isArray(data)) {
+        setFonts(data);
+      }
+    });
+  }, []);
+
+  return (
+    <div className="bg-gray-950 h-full w-full flex flex-col">
+      <MenuBar />
+      <div className="flex flex-row w-full h-full">
+        <ToolBar />
+        <div className="flex flex-col ml-4 w-full h-full">
+          <div className="flex gap-4 flex-row mb-4 justify-center items-center">
+            <Canvas />
+            <PropertiesContainer>
+              <Properties />
+            </PropertiesContainer>
+          </div>
+          <Timeline />
+        </div>
+      </div>
+    </div>
+  );
+}

app/src/Old.tsx

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+import { useEffect, useRef, useState } from "react";
+import "./App.css";
+import { invoke } from "@tauri-apps/api";
+import { useTimelineStore } from "./stores/timeline.store";
+import Timeline, { AnimationEntity } from "./components/Timeline";
+import InitCanvasKit from "canvaskit-wasm";
+import CanvasKitWasm from "canvaskit-wasm/bin/canvaskit.wasm?url";
+
+const WIDTH = 1280 / 2;
+const HEIGHT = 720 / 2;
+
+const ENTITIES: Array<AnimationEntity> = [
+  {
+    offset: 0.2,
+    duration: 1.0,
+  },
+];
+
+function App() {
+  const canvas = useRef<HTMLCanvasElement>(null);
+
+  const [title, setTitle] = useState("Kleine");
+  const [subTitle, setSubTitle] = useState("Dumpfkopf");
+  const [loading, setLoading] = useState(true);
+
+  const { currentFrame } = useTimelineStore();
+
+  useEffect(() => {
+    console.time("render");
+    invoke("render_timeline_frame_cpu", {
+      currFrame: currentFrame,
+      title,
+      subTitle,
+      width: WIDTH,
+      height: HEIGHT,
+    }).then((data) => {
+      console.timeEnd("render");
+      if (canvas.current) {
+        const canvasElement = canvas.current;
+
+        canvasElement.width = WIDTH;
+        canvasElement.height = HEIGHT;
+        //      console.time("draw");
+        const img = document.createElement("img");
+
+        const ctx = canvasElement.getContext("2d");
+
+        const arr = new Uint8ClampedArray(data as any);
+
+        const image = new Blob([arr], { type: "image/webp" });
+        img.src = URL.createObjectURL(image);
+
+        if (ctx) {
+          //  ctx.fillStyle = "red";
+          // ctx.fillRect(0, 0, 1920, 1080);
+        }
+
+        img.onload = () => {
+          if (ctx) {
+            ctx.drawImage(img, 0, 0);
+            //       console.timeEnd("draw");
+          }
+        };
+      }
+    });
+  }, [currentFrame, title, subTitle]);
+
+  if (loading) return;
+
+  return (
+    <div className="container">
+      <div style={{ width: "600px" }}>
+        <canvas style={{ width: "100%", height: "100%" }} ref={canvas}></canvas>
+      </div>
+      <input value={title} onChange={(e) => setTitle(e.target.value)} />
+      <input value={subTitle} onChange={(e) => setSubTitle(e.target.value)} />
+      <Timeline entities={ENTITIES} />
+    </div>
+  );
+}

app/src/assets/react.svg

@@ -0,0 +1 @@
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app/src/components/Canvas/index.tsx

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+import { FC } from "react";
+import { useEffect, useRef, useState } from "react";
+import { invoke } from "@tauri-apps/api";
+import { useTimelineStore } from "stores/timeline.store";
+import InitCanvasKit, { CanvasKit } from "canvaskit-wasm";
+import { Surface } from "canvaskit-wasm";
+import drawText from "drawers/text";
+import drawBox from "drawers/box";
+import { Entities, EntityType } from "primitives/Entities";
+import drawEllipse from "drawers/ellipse";
+import { useRenderStateStore } from "stores/render-state.store";
+import { useEntitiesStore } from "stores/entities.store";
+import { AnimatedEntities } from "primitives/AnimatedEntities";
+
+type CanvasProps = {};
+
+const CanvasComponent: FC<CanvasProps> = () => {
+  const canvas = useRef<HTMLCanvasElement>(null);
+
+  const [loading, setLoading] = useState(true);
+  const [canvasKit, setCanvasKit] = useState<CanvasKit>();
+  const [fontData, setFontData] = useState<ArrayBuffer>();
+  const surface = useRef<Surface>();
+
+  const renderState = useRenderStateStore((store) => store.renderState);
+  const { fps, size, duration } = useTimelineStore((store) => ({
+    fps: store.fps,
+    size: store.size,
+    duration: store.duration,
+  }));
+  const { entities } = useEntitiesStore((store) => ({
+    entities: store.entities,
+  }));
+
+  useEffect(() => {
+    InitCanvasKit({
+      locateFile: (file) =>
+        "https://unpkg.com/canvaskit-wasm@latest/bin/" + file,
+    }).then((CanvasKit) => {
+      setLoading(false);
+      setCanvasKit(CanvasKit);
+
+      fetch("https://storage.googleapis.com/skia-cdn/misc/Roboto-Regular.ttf")
+        .then((response) => response.arrayBuffer())
+        .then((arrayBuffer) => {
+          setFontData(arrayBuffer);
+        });
+
+      if (canvas.current) {
+        const CSurface = CanvasKit.MakeWebGLCanvasSurface(canvas.current);
+        if (CSurface) {
+          surface.current = CSurface;
+        }
+      }
+    });
+  }, []);
+
+  useEffect(() => {
+    // console.time("calculation");
+    const parsedEntities = AnimatedEntities.parse(entities);
+
+    invoke("calculate_timeline_entities_at_frame", {
+      timeline: {
+        entities: parsedEntities,
+        render_state: renderState,
+        fps,
+        size,
+        duration,
+      },
+    }).then((data) => {
+      // console.timeEnd("calculation");
+      // console.log(data);
+
+      const entitiesResult = Entities.safeParse(data);
+      //console.time("draw");
+
+      if (canvasKit && canvas.current && surface.current && fontData) {
+        surface.current.flush();
+        surface.current.requestAnimationFrame((skCanvas) => {
+          skCanvas.clear(canvasKit.WHITE);
+          if (entitiesResult.success) {
+            const entities = entitiesResult.data;
+
+            entities.reverse().forEach((entity) => {
+              switch (entity.type) {
+                case EntityType.Enum.Box:
+                  drawBox(canvasKit, skCanvas, entity);
+                  break;
+                case EntityType.Enum.Ellipse:
+                  drawEllipse(canvasKit, skCanvas, entity);
+                  break;
+                case EntityType.Enum.Text:
+                  drawText(canvasKit, skCanvas, entity, fontData);
+                  break;
+                default:
+                  break;
+              }
+            });
+          } else {
+            console.log(entitiesResult.error);
+          }
+        });
+      }
+      //  console.timeEnd("draw");
+    });
+  });
+
+  return (
+    <div>
+      <div
+        className="flex items-center justify-center"
+        style={{ width: "100%", height: "500px" }}
+      >
+        <canvas
+          className="aspect-video h-full"
+          height={720}
+          width={1280}
+          ref={canvas}
+        ></canvas>
+      </div>
+    </div>
+  );
+};
+
+export default CanvasComponent;

app/src/components/Loading.tsx

@@ -0,0 +1,9 @@
+const Loading = () => {
+  return (
+    <div>
+      <h2>Lädt Skia...</h2>
+    </div>
+  );
+};
+
+export default Loading;

app/src/components/MenuBar/index.tsx

@@ -0,0 +1,129 @@
+import { FC } from "react";
+import * as Menubar from "@radix-ui/react-menubar";
+import { ChevronRightIcon } from "@radix-ui/react-icons";
+import { open, save } from "@tauri-apps/api/dialog";
+
+const MenuBarTrigger: FC<{ label: string }> = ({ label }) => {
+  return (
+    <Menubar.Trigger className="py-2 dark:text-gray-300 px-3 transition-colors hover:bg-indigo-700  outline-none select-none font-medium leading-none rounded text-[13px] flex items-center justify-between gap-[2px]">
+      {label}
+    </Menubar.Trigger>
+  );
+};
+
+const MenuBarSubTrigger: FC<{ label: string }> = ({ label }) => {
+  return (
+    <Menubar.SubTrigger
+      className="group dark:text-gray-300 text-[13px] hover:bg-indigo-800 transition-colors leading-none
+       text-indigo11 rounded flex items-center h-[25px] px-[10px] relative select-none outline-none 
+       data-[state=open]:bg-indigo data-[state=open]:text-white data-[highlighted]:bg-gradient-to-br 
+       data-[highlighted]:from-indigo9 data-[highlighted]:to-indigo10 data-[highlighted]:text-indigo1 
+       data-[highlighted]:data-[state=open]:text-indigo1 data-[disabled]:text-mauve8 data-[disabled]:pointer-events-none"
+    >
+      {label}
+      <div className="ml-auto pl-5 text-mauve9 group-data-[highlighted]:text-white group-data-[disabled]:text-mauve8">
+        <ChevronRightIcon />
+      </div>
+    </Menubar.SubTrigger>
+  );
+};
+
+const MenuBarItem: FC<{ label: string; onClick?: () => void }> = ({
+  label,
+  onClick,
+}) => {
+  return (
+    <Menubar.Item
+      onClick={onClick}
+      className="group dark:text-white text-[13px] leading-none 
+      rounded flex items-center h-[25px] px-[10px] 
+      relative select-none outline-none hover:bg-indigo-800
+      data-[disabled]:pointer-events-none transition-colors"
+    >
+      {label}
+    </Menubar.Item>
+  );
+};
+
+const MenuBarSeperator = () => {
+  return <Menubar.Separator className="h-[1px] bg-slate-500 m-[5px]" />;
+};
+
+const MenuBar = () => {
+  const menuBarContentClassName =
+    "min-w-[220px] bg-gray-800 rounded-md p-[5px]";
+
+  const menuBarSubContentClassName =
+    "min-w-[220px] bg-gray-800 rounded-md p-[5px]";
+
+  return (
+    <Menubar.Root className="flex bg-gray-900 p-[3px] ">
+      <Menubar.Menu>
+        <MenuBarTrigger label="File" />
+        <Menubar.Portal>
+          <Menubar.Content
+            className={menuBarContentClassName}
+            align="start"
+            sideOffset={5}
+            alignOffset={-3}
+          >
+            <MenuBarItem label="New File" />
+            <MenuBarItem
+              onClick={() => open({ multiple: false })}
+              label="Open File"
+            />
+            <MenuBarItem
+              onClick={() =>
+                save({
+                  title: "Save Project",
+                  defaultPath: "project.tbcp",
+                }).then((val) => {
+                  console.log(val);
+                })
+              }
+              label="Save"
+            />
+            <MenuBarItem onClick={() => save()} label="Save as" />
+            <MenuBarSeperator />
+            <Menubar.Sub>
+              <MenuBarSubTrigger label="Export as ..." />
+
+              <Menubar.Portal>
+                <Menubar.SubContent
+                  className={menuBarSubContentClassName}
+                  alignOffset={-5}
+                >
+                  <MenuBarItem label=".mp4" />
+                  <MenuBarItem label=".gif" />
+                  <MenuBarItem label=".mov" />
+                  <MenuBarItem label=".webm" />
+                  <MenuBarItem label=".webp" />
+                </Menubar.SubContent>
+              </Menubar.Portal>
+            </Menubar.Sub>
+          </Menubar.Content>
+        </Menubar.Portal>
+      </Menubar.Menu>
+
+      <Menubar.Menu>
+        <MenuBarTrigger label="Edit" />
+
+        <Menubar.Portal>
+          <Menubar.Content
+            className={menuBarContentClassName}
+            align="start"
+            sideOffset={5}
+            alignOffset={-3}
+          >
+            <MenuBarItem label="Undo" />
+            <MenuBarItem label="Redo" />
+            <MenuBarItem label="Copy" />
+            <MenuBarItem label="Paste" />
+          </Menubar.Content>
+        </Menubar.Portal>
+      </Menubar.Menu>
+    </Menubar.Root>
+  );
+};
+
+export default MenuBar;

app/src/components/Properties/Primitives.tsx

@@ -0,0 +1,148 @@
+import { ease } from "@unom/style";
+import { motion } from "framer-motion";
+import {
+  AnimatedTextEntity,
+  AnimatedBoxEntity,
+  AnimatedEllipseEntity,
+} from "primitives/AnimatedEntities";
+import { Paint, PaintStyle, PaintStyleType } from "primitives/Paint";
+import { FC } from "react";
+import { z } from "zod";
+import { AnimatedVec2Properties } from "./Values";
+import { PropertiesProps } from "./common";
+
+type TextPropertiesProps = PropertiesProps<z.input<typeof AnimatedTextEntity>>;
+type PaintPropertiesProps = PropertiesProps<z.input<typeof Paint>>;
+type BoxPropertiesProps = PropertiesProps<z.input<typeof AnimatedBoxEntity>>;
+type EllipsePropertiesProps = PropertiesProps<
+  z.input<typeof AnimatedEllipseEntity>
+>;
+
+export const PaintProperties: FC<PaintPropertiesProps> = ({
+  entity,
+  onUpdate,
+}) => {
+  return (
+    <div>
+      <label className="flex flex-col items-start">
+        <span className="label">PaintStyle</span>
+        <select
+          value={entity.style.type}
+          onChange={(e) => {
+            if (entity.style.type !== e.target.value) {
+              const paintStyle = { type: e.target.value };
+
+              const parsedPaintStyle = PaintStyle.parse(paintStyle);
+
+              onUpdate({ style: parsedPaintStyle });
+            }
+          }}
+        >
+          {Object.keys(PaintStyleType.Values).map((key) => (
+            <option key={key} value={key}>
+              {key}
+            </option>
+          ))}
+        </select>
+      </label>
+    </div>
+  );
+};
+
+export const TextProperties: FC<TextPropertiesProps> = ({
+  entity,
+  onUpdate,
+}) => {
+  return (
+    <motion.div
+      variants={{ enter: { opacity: 1, y: 0 }, from: { opacity: 0, y: 50 } }}
+      animate="enter"
+      initial="from"
+      transition={ease.quint(0.9).out}
+    >
+      <label className="flex flex-col items-start">
+        <span className="label">Text</span>
+        <input
+          value={entity.text}
+          onChange={(e) => onUpdate({ ...entity, text: e.target.value })}
+        />
+      </label>
+      <label className="flex flex-col items-start">
+        <span className="label">Size</span>
+        <input
+          value={entity.paint.size}
+          onChange={(e) =>
+            onUpdate({
+              ...entity,
+              paint: { ...entity.paint, size: Number(e.target.value) },
+            })
+          }
+        ></input>
+      </label>
+      <AnimatedVec2Properties
+        onUpdate={(updatedEntity) =>
+          onUpdate({ ...entity, origin: updatedEntity })
+        }
+        label="Origin"
+        entity={entity.origin}
+      />
+    </motion.div>
+  );
+};
+
+export const BoxProperties: FC<BoxPropertiesProps> = ({ entity, onUpdate }) => {
+  return (
+    <div className="dark:text-white">
+      <PaintProperties
+        entity={entity.paint}
+        onUpdate={(paint) =>
+          onUpdate({ ...entity, paint: { ...entity.paint, ...paint } })
+        }
+      />
+      <AnimatedVec2Properties
+        onUpdate={(updatedEntity) =>
+          onUpdate({ ...entity, position: updatedEntity })
+        }
+        label="Position"
+        entity={entity.position}
+      />
+      <AnimatedVec2Properties
+        onUpdate={(updatedEntity) =>
+          onUpdate({ ...entity, size: updatedEntity })
+        }
+        label="Size"
+        entity={entity.size}
+      />
+    </div>
+  );
+};
+
+export const EllipseProperties: FC<EllipsePropertiesProps> = ({
+  entity,
+  onUpdate,
+}) => {
+  return (
+    <div className="dark:text-white">
+      <PaintProperties
+        entity={entity.paint}
+        onUpdate={(paint) =>
+          onUpdate({ ...entity, paint: { ...entity.paint, ...paint } })
+        }
+      />
+      <AnimatedVec2Properties
+        onUpdate={(updatedEntity) =>
+          onUpdate({ ...entity, position: updatedEntity })
+        }
+        label="Position"
+        entity={entity.position}
+      />
+      <AnimatedVec2Properties
+        onUpdate={(updatedEntity) =>
+          onUpdate({ ...entity, radius: updatedEntity })
+        }
+        label="Size"
+        entity={entity.radius}
+      />
+    </div>
+  );
+};

app/src/components/Properties/Values.tsx

@@ -0,0 +1,176 @@
+import { AnimatedNumber, AnimatedVec2 } from "primitives/Values";
+import { PropertiesProps } from "./common";
+import { FC } from "react";
+import { z } from "zod";
+import { produce } from "immer";
+import { Interpolation } from "primitives/Interpolation";
+import { Color } from "primitives/Paint";
+
+const InterpolationProperties: FC<
+  PropertiesProps<z.input<typeof Interpolation>>
+> = ({ entity, onUpdate }) => {
+  return <div>Interpolation: {entity.type}</div>;
+};
+
+const AnimatedNumberProperties: FC<
+  PropertiesProps<z.input<typeof AnimatedNumber>> & { label: string }
+> = ({ entity, onUpdate, label }) => {
+  return (
+    <div>
+      <span>{label}</span>
+      {entity.keyframes.values.map((keyframe, index) => {
+        return (
+          <div key={index}>
+            <div className="flex flex-row gap-3">
+              <label className="flex flex-col items-start w-16">
+                <span className="label text-sm opacity-70">Offset</span>
+                <input
+                  value={keyframe.offset}
+                  onChange={(e) =>
+                    onUpdate(
+                      produce(entity, (draft) => {
+                        draft.keyframes.values[index].offset = Number(
+                          e.target.value
+                        );
+                      })
+                    )
+                  }
+                />
+              </label>
+              <label className="flex flex-col items-start">
+                <span className="label text-sm opacity-70">Value</span>
+                <input
+                  value={keyframe.value}
+                  onChange={(e) =>
+                    onUpdate(
+                      produce(entity, (draft) => {
+                        draft.keyframes.values[index].value = Number(
+                          e.target.value
+                        );
+                      })
+                    )
+                  }
+                />
+              </label>
+            </div>
+            {keyframe.interpolation && (
+              <InterpolationProperties
+                onUpdate={(updatedEntity) =>
+                  onUpdate(
+                    produce(entity, (draft) => {
+                      draft.keyframes.values[index].interpolation =
+                        updatedEntity;
+                    })
+                  )
+                }
+                entity={keyframe.interpolation}
+              />
+            )}
+          </div>
+        );
+      })}
+    </div>
+  );
+};
+
+export const ColorProperties: FC<
+  PropertiesProps<z.input<typeof Color>> & {
+    label: string;
+  }
+> = ({ entity, onUpdate }) => {
+  return (
+    <label className="flex flex-col items-start">
+      <span className="label">Color</span>
+      <div className="flex flex-row gap-3">
+        <input
+          value={entity.value[0]}
+          type="number"
+          max={255}
+          onChange={(e) =>
+            onUpdate(
+              produce(entity, (draft) => {
+                draft.value[0] = Number(e.target.value);
+              })
+            )
+          }
+        />
+        <input
+          value={entity.value[1]}
+          type="number"
+          max={255}
+          onChange={(e) =>
+            onUpdate(
+              produce(entity, (draft) => {
+                draft.value[1] = Number(e.target.value);
+              })
+            )
+          }
+        />
+        <input
+          value={entity.value[2]}
+          type="number"
+          max={255}
+          onChange={(e) =>
+            onUpdate(
+              produce(entity, (draft) => {
+                draft.value[2] = Number(e.target.value);
+              })
+            )
+          }
+        />
+        <input
+          value={entity.value[3]}
+          type="number"
+          max={1}
+          onChange={(e) =>
+            onUpdate(
+              produce(entity, (draft) => {
+                draft.value[3] = Number(e.target.value);
+              })
+            )
+          }
+        />
+      </div>
+    </label>
+  );
+};
+
+export const AnimatedVec2Properties: FC<
+  PropertiesProps<z.input<typeof AnimatedVec2>> & { label: string }
+> = ({ entity, onUpdate, label }) => {
+  return (
+    <div>
+      <label className="flex flex-col items-start">
+        <span className="label">{label}</span>
+        <AnimatedNumberProperties
+          entity={entity.keyframes[0]}
+          label="X"
+          onUpdate={(updatedEntity) =>
+            onUpdate(
+              produce(entity, (draft) => {
+                draft.keyframes[0] = {
+                  ...draft.keyframes[0],
+                  ...updatedEntity,
+                };
+              })
+            )
+          }
+        />
+        <AnimatedNumberProperties
+          entity={entity.keyframes[1]}
+          label="Y"
+          onUpdate={(updatedEntity) =>
+            onUpdate(
+              produce(entity, (draft) => {
+                draft.keyframes[1] = {
+                  ...draft.keyframes[1],
+                  ...updatedEntity,
+                };
+              })
+            )
+          }
+        />
+      </label>
+    </div>
+  );
+};

app/src/components/Properties/common.tsx

@@ -0,0 +1,4 @@
+export type PropertiesProps<E> = {
+  entity: E;
+  onUpdate: (entity: E) => void;
+};

app/src/components/Properties/index.tsx

@@ -0,0 +1,69 @@
+import { FC, ReactNode } from "react";
+import { useEntitiesStore } from "stores/entities.store";
+
+import { shallow } from "zustand/shallow";
+import { BoxProperties, EllipseProperties, TextProperties } from "./Primitives";
+
+const PropertiesContainer: FC<{ children: ReactNode }> = ({ children }) => {
+  return (
+    <div className="w-full rounded-md h-[500px] overflow-auto border transition-colors focus-within:border-gray-400 border-gray-600 flex flex-col items-start p-4">
+      {children}
+    </div>
+  );
+};
+
+const Properties = () => {
+  const { selectedEntity, entities, updateEntity } = useEntitiesStore(
+    (store) => ({
+      updateEntity: store.updateEntity,
+      selectedEntity: store.selectedEntity,
+      entities: store.entities,
+    }),
+    shallow
+  );
+
+  const entity = selectedEntity !== undefined && entities[selectedEntity];
+
+  if (entity) {
+    switch (entity.type) {
+      case "Text":
+        return (
+          <TextProperties
+            key={selectedEntity}
+            onUpdate={(entity) => updateEntity(selectedEntity, entity)}
+            entity={entity}
+          />
+        );
+
+      case "Box":
+        return (
+          <BoxProperties
+            key={selectedEntity}
+            onUpdate={(entity) => updateEntity(selectedEntity, entity)}
+            entity={entity}
+          />
+        );
+
+      case "Ellipse":
+        return (
+          <EllipseProperties
+            key={selectedEntity}
+            onUpdate={(entity) => updateEntity(selectedEntity, entity)}
+            entity={entity}
+          />
+        );
+
+      default:
+        return null;
+    }
+  }
+
+  return (
+    <div>
+      <h3>Wähle ein Element aus</h3>
+    </div>
+  );
+};
+
+export { PropertiesContainer };
+export default Properties;

app/src/components/TimePicker.tsx

@@ -0,0 +1,29 @@
+import { FC } from "react";
+import * as Slider from "@radix-ui/react-slider";
+import { useRenderStateStore } from "stores/render-state.store";
+
+export type TimePickerProps = {};
+
+const TimePicker: FC<TimePickerProps> = () => {
+  const { renderState, setCurrentFrame } = useRenderStateStore();
+
+  return (
+    <Slider.Root
+      className="relative flex select-none h-5 w-full items-center"
+      defaultValue={[50]}
+      style={{ width: 100 * 10 }}
+      value={[renderState.curr_frame]}
+      onValueChange={(val) => setCurrentFrame(val[0])}
+      max={60 * 10}
+      step={1}
+      aria-label="Current Frame"
+    >
+      <Slider.Track className="SliderTrack">
+        <Slider.Range className="SliderRange" />
+      </Slider.Track>
+      <Slider.Thumb className="SliderThumb" />
+    </Slider.Root>
+  );
+};
+
+export default TimePicker;

app/src/components/Timeline.tsx

@@ -0,0 +1,211 @@
+import { FC } from "react";
+import { z } from "zod";
+import { AnimationData } from "primitives/AnimatedEntities";
+import { motion } from "framer-motion";
+import TimePicker from "./TimePicker";
+import { shallow } from "zustand/shallow";
+import { useEntitiesStore } from "stores/entities.store";
+import { ease } from "@unom/style";
+import Timestamp from "./Timestamp";
+import { Keyframe, Keyframes } from "primitives/Keyframe";
+import { flattenedKeyframesByEntity } from "utils";
+
+export type AnimationEntity = {
+  offset: number;
+  duration: number;
+};
+
+type TimelineProps = {};
+
+type TrackProps = {
+  animationData: z.input<typeof AnimationData>;
+  name: string;
+  index: number;
+  keyframes: Array<z.input<typeof Keyframe>>;
+};
+
+const KeyframeIndicator: FC<{
+  keyframe: z.input<typeof Keyframe>;
+  animationData: z.input<typeof AnimationData>;
+}> = ({ keyframe, animationData }) => {
+  return (
+    <motion.div
+      animate={{
+        x: (animationData.offset + keyframe.offset) * 100 + 4,
+      }}
+      transition={ease.quint(0.4).out}
+      style={{
+        clipPath: "polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%)",
+      }}
+      className="bg-indigo-300 absolute w-2 h-2 z-30 top-[39%]"
+    ></motion.div>
+  );
+};
+
+const Track: FC<TrackProps> = ({ keyframes, animationData, index, name }) => {
+  const { updateEntity, selectEntity, selectedEntity, deselectEntity } =
+    useEntitiesStore(
+      (store) => ({
+        updateEntity: store.updateEntity,
+        selectedEntity: store.selectedEntity,
+        selectEntity: store.selectEntity,
+        deselectEntity: store.deselectEntity,
+      }),
+      shallow
+    );
+
+  return (
+    <div className="h-8 w-100 flex flex-row gap-1">
+      <div
+        onClick={() =>
+          selectedEntity !== undefined && selectedEntity === index
+            ? deselectEntity()
+            : selectEntity(index)
+        }
+        className={`h-full transition-all rounded-sm flex-shrink-0 w-96 p-1 px-2 flex flex-row ${
+          selectedEntity === index ? "bg-gray-800" : "bg-gray-900"
+        }`}
+      >
+        <h3 className="text-white-800">{name}</h3>
+      </div>
+      <div
+        style={{ width: "1000px" }}
+        className="flex w-full h-full flex-row relative bg-gray-900"
+      >
+        {keyframes.map((keyframe, index) => (
+          <KeyframeIndicator
+            animationData={animationData}
+            keyframe={keyframe}
+            key={index}
+          />
+        ))}
+        <motion.div
+          drag="x"
+          animate={{
+            x: animationData.offset * 100,
+          }}
+          whileHover={{
+            scale: 1.1,
+          }}
+          whileTap={{
+            scale: 0.9,
+          }}
+          transition={ease.circ(0.6).out}
+          dragElastic={false}
+          dragConstraints={{ left: 0, right: 900 }}
+          onDragEnd={(e, info) => {
+            let offset = info.offset.x;
+
+            offset *= 0.01;
+
+            const animationOffset =
+              animationData.offset + offset < 0
+                ? 0
+                : animationData.offset + offset;
+
+            const duration = animationData.duration - offset;
+
+            updateEntity(index, {
+              animation_data: {
+                ...animationData,
+                offset: animationOffset < 0 ? 0 : animationOffset,
+                duration: duration < 0 ? 0 : duration,
+              },
+            });
+          }}
+          className="z-10 w-4 bg-slate-500 h-full absolute rounded-md"
+        />
+        <motion.div
+          drag="x"
+          animate={{
+            x: (animationData.duration + animationData.offset) * 100 - 16,
+          }}
+          whileHover={{
+            scale: 1.1,
+          }}
+          whileTap={{
+            scale: 0.9,
+          }}
+          transition={ease.circ(0.6).out}
+          dragConstraints={{ left: 0, right: 900 }}
+          onDragEnd={(e, info) => {
+            let offset = info.offset.x;
+
+            offset *= 0.01;
+
+            const duration = animationData.duration + offset;
+
+            updateEntity(index, {
+              animation_data: {
+                ...animationData,
+                duration: duration < 0 ? 0 : duration,
+              },
+            });
+          }}
+          className="z-10 w-4 bg-slate-500 h-full absolute rounded-md"
+        />
+        <motion.div
+          drag="x"
+          animate={{
+            width: animationData.duration * 100,
+            x: animationData.offset * 100,
+          }}
+          whileHover={{ scaleY: 1.1 }}
+          whileTap={{ scaleY: 0.9 }}
+          dragConstraints={{
+            left: 0,
+            right: 900,
+          }}
+          transition={ease.circ(0.8).out}
+          onDragEnd={(e, info) => {
+            let offset = info.offset.x;
+
+            offset *= 0.01;
+
+            offset += animationData.offset;
+
+            console.log(offset);
+
+            updateEntity(index, {
+              animation_data: {
+                ...animationData,
+                offset: offset < 0 ? 0 : offset,
+              },
+            });
+          }}
+          className="z-5 h-full absolute rounded-md transition-colors bg-gray-700 hover:bg-gray-600"
+        ></motion.div>
+      </div>
+    </div>
+  );
+};
+
+const Timeline: FC<TimelineProps> = () => {
+  const { entities } = useEntitiesStore((store) => ({
+    entities: store.entities,
+  }));
+
+  return (
+    <div className="flex flex-col p-4 border transition-colors focus-within:border-gray-400 border-gray-600 rounded-md">
+      <Timestamp />
+      <div className="gap-1 flex flex-col  overflow-hidden">
+        <div className="z-20 flex flex-row gap-2">
+          <div className="flex-shrink-0 w-96" />
+          <TimePicker />
+        </div>
+
+        {entities.map((entity, index) => (
+          <Track
+            name={entity.type}
+            index={index}
+            key={index}
+            keyframes={flattenedKeyframesByEntity(entity)}
+            animationData={entity.animation_data}
+          />
+        ))}
+      </div>
+    </div>
+  );
+};
+
+export default Timeline;

app/src/components/Timestamp.tsx

@@ -0,0 +1,19 @@
+import { useRenderStateStore } from "stores/render-state.store";
+import { useTimelineStore } from "stores/timeline.store";
+
+const Timestamp = () => {
+  const { renderState } = useRenderStateStore();
+  const timeline = useTimelineStore();
+
+  return (
+    <div>
+      <h3>Frame {renderState.curr_frame}</h3>
+      <h2 className="text-xl font-bold">
+        {((renderState.curr_frame * timeline.fps) / 60 / 60).toPrecision(3)}{" "}
+        <span className="text-sm font-light">/ {timeline.fps}FPS</span>
+      </h2>
+    </div>
+  );
+};
+
+export default Timestamp;

app/src/components/ToolBar/index.tsx

@@ -0,0 +1,58 @@
+import {
+  BoxIcon,
+  CircleIcon,
+  CursorArrowIcon,
+  MixIcon,
+  Pencil1Icon,
+  Pencil2Icon,
+  SymbolIcon,
+  TextIcon,
+} from "@radix-ui/react-icons";
+import * as Toolbar from "@radix-ui/react-toolbar";
+import { FC, ReactNode } from "react";
+
+const ToolBarButton: FC<{ children: ReactNode }> = ({ children }) => {
+  return (
+    <Toolbar.Button
+      className="text-white p-[10px] bg-gray-900 flex-shrink-0 flex-grow-0 
+  basis-auto w-[40px] h-[40px] rounded inline-flex text-[13px] leading-none 
+  items-center justify-center outline-none hover:bg-indigo-900 
+  transition-colors
+  focus:relative focus:shadow-[0_0_0_2px] focus:shadow-indigo"
+    >
+      {children}
+    </Toolbar.Button>
+  );
+};
+
+const ToolBar = () => {
+  return (
+    <Toolbar.Root
+      className="bg-gray-800 flex flex-col gap-1 p-1 h-full"
+      orientation="vertical"
+    >
+      <ToolBarButton>
+        <CursorArrowIcon width="100%" height="100%" />
+      </ToolBarButton>
+      <Toolbar.Separator />
+      <ToolBarButton>
+        <BoxIcon width="100%" height="100%" />
+      </ToolBarButton>
+      <ToolBarButton>
+        <CircleIcon width="100%" height="100%" />
+      </ToolBarButton>
+      <ToolBarButton>
+        <Pencil1Icon width="100%" height="100%" />
+      </ToolBarButton>
+      <ToolBarButton>
+        <MixIcon width="100%" height="100%" />
+      </ToolBarButton>
+      <Toolbar.Separator />
+      <ToolBarButton>
+        <TextIcon width="100%" height="100%" />
+      </ToolBarButton>
+    </Toolbar.Root>
+  );
+};
+
+export default ToolBar;

app/src/drawers/box.ts

@@ -0,0 +1,47 @@
+import { Canvas, CanvasKit } from "canvaskit-wasm";
+import { z } from "zod";
+import { BoxEntity } from "primitives/Entities";
+import { buildPaintStyle } from "./paint";
+
+export default function drawBox(
+  CanvasKit: CanvasKit,
+  canvas: Canvas,
+  entity: z.infer<typeof BoxEntity>
+) {
+  const paint = new CanvasKit.Paint();
+
+  const debugPaint = new CanvasKit.Paint();
+  debugPaint.setColor(CanvasKit.RED);
+  buildPaintStyle(CanvasKit, paint, entity.paint);
+
+  let targetPosition = entity.position;
+
+  canvas.drawCircle(targetPosition[0], targetPosition[1], 10, debugPaint);
+
+  targetPosition = targetPosition.map((val, index) => {
+    let temp = val - entity.size[index] * 0.5;
+
+    return temp;
+  });
+
+  debugPaint.setColor(CanvasKit.BLUE);
+
+  canvas.drawCircle(targetPosition[0], targetPosition[1], 10, debugPaint);
+
+  debugPaint.setColor(CanvasKit.GREEN);
+
+  canvas.drawCircle(targetPosition[0], targetPosition[1], 10, debugPaint);
+
+  console.log(targetPosition[0], targetPosition[1]);
+
+  const rect = CanvasKit.XYWHRect(
+    targetPosition[0],
+    targetPosition[1],
+    entity.size[0],
+    entity.size[1]
+  );
+
+  canvas.drawRect(rect, paint);
+
+  canvas.drawCircle(targetPosition[0], targetPosition[1], 10, debugPaint);
+}

app/src/drawers/ellipse.ts

@@ -0,0 +1,24 @@
+import { convertToFloat } from "@tempblade/common";
+import { Canvas, CanvasKit } from "canvaskit-wasm";
+import { EllipseEntity } from "primitives/Entities";
+import { z } from "zod";
+import { buildPaintStyle } from "./paint";
+
+export default function drawEllipse(
+  CanvasKit: CanvasKit,
+  canvas: Canvas,
+  entity: z.infer<typeof EllipseEntity>
+) {
+  const paint = new CanvasKit.Paint();
+
+  buildPaintStyle(CanvasKit, paint, entity.paint);
+
+  const rect = CanvasKit.XYWHRect(
+    entity.position[0],
+    entity.position[1],
+    entity.radius[0],
+    entity.radius[1]
+  );
+
+  canvas.drawOval(rect, paint);
+}

app/src/drawers/paint.ts

@@ -0,0 +1,30 @@
+import { convertToFloat } from "@tempblade/common";
+import { Paint as SkPaint, CanvasKit } from "canvaskit-wasm";
+import { Paint } from "primitives/Paint";
+import { z } from "zod";
+
+export function buildPaintStyle(
+  CanvasKit: CanvasKit,
+  skPaint: SkPaint,
+  paint: z.output<typeof Paint>
+) {
+  const color = convertToFloat(paint.style.color.value);
+
+  skPaint.setAntiAlias(true);
+  skPaint.setColor(color);
+
+  switch (paint.style.type) {
+    case "Fill":
+      skPaint.setStyle(CanvasKit.PaintStyle.Fill);
+      break;
+
+    case "Stroke":
+      skPaint.setStyle(CanvasKit.PaintStyle.Stroke);
+      skPaint.setStrokeWidth(paint.style.width);
+      break;
+
+    default:
+      console.error("Paint Style not supported!");
+      break;
+  }
+}

app/src/drawers/text.ts

@@ -0,0 +1,42 @@
+import { Canvas, CanvasKit } from "canvaskit-wasm";
+import { TextEntity } from "primitives/Entities";
+import { convertToFloat } from "@tempblade/common";
+import { z } from "zod";
+
+export default function drawText(
+  CanvasKit: CanvasKit,
+  canvas: Canvas,
+  entity: z.infer<typeof TextEntity>,
+  fontData: ArrayBuffer
+) {
+  const fontMgr = CanvasKit.FontMgr.FromData(fontData);
+
+  if (!fontMgr) {
+    console.error("No FontMgr");
+    return;
+  }
+
+  const paint = new CanvasKit.Paint();
+
+  const color = convertToFloat(entity.paint.style.color.value);
+
+  paint.setColor(color);
+
+  const pStyle = new CanvasKit.ParagraphStyle({
+    textStyle: {
+      color: color,
+      fontFamilies: ["Roboto"],
+      fontSize: entity.paint.size,
+    },
+    textDirection: CanvasKit.TextDirection.LTR,
+    textAlign: CanvasKit.TextAlign[entity.paint.align],
+  });
+
+  const builder = CanvasKit.ParagraphBuilder.Make(pStyle, fontMgr);
+  builder.addText(entity.text);
+  const p = builder.build();
+  p.layout(900);
+  const height = p.getHeight() / 2;
+  const width = p.getMaxWidth() / 2;
+  canvas.drawParagraph(p, entity.origin[0] - width, entity.origin[1] - height);
+}

app/src/example.ts

@@ -0,0 +1,190 @@
+import { AnimatedEntity } from "primitives/AnimatedEntities";
+import { Color } from "primitives/Paint";
+import { Timeline } from "primitives/Timeline";
+import { staticAnimatedNumber, staticAnimatedVec2 } from "primitives/Values";
+import { z } from "zod";
+
+function buildBox1(
+  offset: number,
+  color: z.infer<typeof Color>
+): z.input<typeof AnimatedEntity> {
+  return {
+    type: "Box",
+    paint: {
+      style: {
+        type: "Stroke",
+        width: 50,
+        color,
+      },
+    },
+    size: {
+      keyframes: [
+        {
+          keyframes: {
+            values: [
+              {
+                interpolation: {
+                  type: "EasingFunction",
+                  easing_function: "CircOut",
+                },
+                value: 0.0,
+                offset: 0.0,
+              },
+              {
+                interpolation: {
+                  type: "Linear",
+                },
+                value: 1280.0,
+                offset: 4.0,
+              },
+            ],
+          },
+        },
+        staticAnimatedNumber(720),
+      ],
+    },
+    origin: staticAnimatedVec2(1280 / 2, 720 / 2),
+    position: staticAnimatedVec2(0, 0),
+    animation_data: {
+      offset,
+      duration: 10.0,
+    },
+  };
+}
+
+function buildBox(
+  offset: number,
+  color: z.infer<typeof Color>
+): z.input<typeof AnimatedEntity> {
+  return {
+    type: "Box",
+    paint: {
+      style: {
+        type: "Fill",
+        color,
+      },
+    },
+    size: {
+      keyframes: [
+        {
+          keyframes: {
+            values: [
+              {
+                interpolation: {
+                  type: "Linear",
+                },
+                value: 1280.0,
+                offset: 0.0,
+              },
+            ],
+          },
+        },
+        {
+          keyframes: {
+            values: [
+              {
+                interpolation: {
+                  type: "EasingFunction",
+                  easing_function: "CircOut",
+                },
+                value: 0.0,
+                offset: 0.0,
+              },
+              {
+                interpolation: {
+                  type: "Linear",
+                },
+                value: 720.0,
+                offset: 4.0,
+              },
+            ],
+          },
+        },
+      ],
+    },
+    origin: staticAnimatedVec2(0, -720),
+    position: staticAnimatedVec2(1280 / 2, 720 / 2),
+    animation_data: {
+      offset,
+      duration: 10.0,
+    },
+  };
+}
+
+function buildText(
+  text: string,
+  offset: number,
+  size: number,
+  y_offset: number,
+  color: z.infer<typeof Color>
+): z.input<typeof AnimatedEntity> {
+  return {
+    type: "Text",
+    paint: {
+      style: {
+        type: "Fill",
+        color,
+      },
+      size,
+      align: "Center",
+    },
+    text,
+    animation_data: {
+      offset,
+      duration: 5.0,
+    },
+    origin: {
+      keyframes: [
+        {
+          keyframes: {
+            values: [
+              {
+                interpolation: {
+                  type: "Spring",
+                  mass: 1,
+                  stiffness: 100,
+                  damping: 15,
+                },
+                value: (1280 / 2) * -1 - 300,
+                offset: 0.0,
+              },
+              {
+                interpolation: {
+                  type: "EasingFunction",
+                  easing_function: "QuartOut",
+                },
+                value: 1280 / 2,
+                offset: 5.0,
+              },
+            ],
+          },
+        },
+        staticAnimatedNumber(720 / 2 + y_offset),
+      ],
+    },
+  };
+}
+
+export const EXAMPLE_ANIMATED_ENTITIES: Array<z.input<typeof AnimatedEntity>> =
+  [
+    buildText("Kleine Dumpfkopf!", 1.0, 80, -30, {
+      value: [255, 255, 255, 1.0],
+    }),
+    buildText("Wie gehts?", 1.5, 40, 30, { value: [255, 255, 255, 1.0] }),
+    buildBox(0.6, { value: [30, 30, 30, 1.0] }),
+    buildBox(0.4, { value: [20, 20, 20, 1.0] }),
+    buildBox(0.2, { value: [10, 10, 10, 1.0] }),
+    buildBox(0, { value: [0, 0, 0, 1.0] }),
+  ];
+
+const ExampleTimeline: z.input<typeof Timeline> = {
+  size: [1920, 1080],
+  duration: 10.0,
+  render_state: {
+    curr_frame: 20,
+  },
+  fps: 60,
+  entities: EXAMPLE_ANIMATED_ENTITIES,
+};
+
+export { ExampleTimeline };

app/src/main.tsx

@@ -0,0 +1,10 @@
+import React from "react";
+import ReactDOM from "react-dom/client";
+import App from "./App";
+import "./styles.css";
+
+ReactDOM.createRoot(document.getElementById("root") as HTMLElement).render(
+  <React.StrictMode>
+    <App />
+  </React.StrictMode>
+);

app/src/primitives/AnimatedEntities.ts

@@ -0,0 +1,37 @@
+import { z } from "zod";
+import { BoxEntity, EllipseEntity, TextEntity } from "./Entities";
+import { AnimatedVec2 } from "./Values";
+
+export const AnimationData = z.object({
+  offset: z.number(),
+  duration: z.number(),
+  visible: z.boolean().optional().default(true),
+});
+
+export const AnimatedBoxEntity = BoxEntity.extend({
+  position: AnimatedVec2,
+  size: AnimatedVec2,
+  origin: AnimatedVec2,
+
+  animation_data: AnimationData,
+});
+
+export const AnimatedTextEntity = TextEntity.extend({
+  origin: AnimatedVec2,
+  animation_data: AnimationData,
+});
+
+export const AnimatedEllipseEntity = EllipseEntity.extend({
+  radius: AnimatedVec2,
+  position: AnimatedVec2,
+  origin: AnimatedVec2,
+  animation_data: AnimationData,
+});
+
+export const AnimatedEntity = z.discriminatedUnion("type", [
+  AnimatedBoxEntity,
+  AnimatedTextEntity,
+  AnimatedEllipseEntity,
+]);
+
+export const AnimatedEntities = z.array(AnimatedEntity);

app/src/primitives/Entities.ts

@@ -0,0 +1,40 @@
+import { z } from "zod";
+import { Vec2 } from "./Values";
+import { Paint, TextPaint } from "./Paint";
+
+const EntityTypeOptions = ["Text", "Ellipse", "Box"] as const;
+
+export const EntityType = z.enum(EntityTypeOptions);
+
+export const GeometryEntity = z.object({
+  paint: Paint,
+});
+
+export const BoxEntity = GeometryEntity.extend({
+  type: z.literal(EntityType.Enum.Box),
+  size: Vec2,
+  position: Vec2,
+  origin: Vec2,
+});
+
+export const EllipseEntity = GeometryEntity.extend({
+  type: z.literal(EntityType.Enum.Ellipse),
+  radius: Vec2,
+  position: Vec2,
+  origin: Vec2,
+});
+
+export const TextEntity = z.object({
+  type: z.literal(EntityType.Enum.Text),
+  paint: TextPaint,
+  origin: Vec2,
+  text: z.string(),
+});
+
+export const Entity = z.discriminatedUnion("type", [
+  BoxEntity,
+  EllipseEntity,
+  TextEntity,
+]);
+
+export const Entities = z.array(Entity);

app/src/primitives/Interpolation.ts

@@ -0,0 +1,53 @@
+import { z } from "zod";
+
+const InterpolationTypeOptions = [
+  "Linear",
+  "Spring",
+  "EasingFunction",
+] as const;
+
+const EasingFunctionOptions = [
+  "QuintOut",
+  "QuintIn",
+  "QuintInOut",
+  "CircOut",
+  "CircIn",
+  "CircInOut",
+  "CubicOut",
+  "CubicIn",
+  "CubicInOut",
+  "ExpoOut",
+  "ExpoIn",
+  "ExpoInOut",
+  "QuadOut",
+  "QuadIn",
+  "QuadInOut",
+  "QuartOut",
+  "QuartIn",
+  "QuartInOut",
+] as const;
+
+export const EasingFunction = z.enum(EasingFunctionOptions);
+export const InterpolationType = z.enum(InterpolationTypeOptions);
+
+export const LinearInterpolation = z.object({
+  type: z.literal(InterpolationType.Enum.Linear),
+});
+
+export const EasingFunctionInterpolation = z.object({
+  type: z.literal(InterpolationType.Enum.EasingFunction),
+  easing_function: EasingFunction,
+});
+
+export const SpringInterpolation = z.object({
+  mass: z.number(),
+  damping: z.number(),
+  stiffness: z.number(),
+  type: z.literal(InterpolationType.Enum.Spring),
+});
+
+export const Interpolation = z.discriminatedUnion("type", [
+  SpringInterpolation,
+  EasingFunctionInterpolation,
+  LinearInterpolation,
+]);

app/src/primitives/Keyframe.ts

@@ -0,0 +1,12 @@
+import { z } from "zod";
+import { Interpolation } from "./Interpolation";
+
+export const Keyframe = z.object({
+  value: z.number(),
+  offset: z.number(),
+  interpolation: z.optional(Interpolation),
+});
+
+export const Keyframes = z.object({
+  values: z.array(Keyframe),
+});

app/src/primitives/Paint.ts

@@ -0,0 +1,49 @@
+import { z } from "zod";
+
+export const Color = z.object({
+  value: z.array(z.number().min(0).max(255)).max(4),
+});
+
+const PaintStyleTypeOptions = ["Fill", "Stroke"] as const;
+
+export const PaintStyleType = z.enum(PaintStyleTypeOptions);
+
+const ColorWithDefault = Color.optional().default({ value: [0, 0, 0, 1] });
+
+export const StrokeStyle = z.object({
+  width: z.number().min(0).optional().default(10),
+  color: ColorWithDefault,
+  type: z.literal(PaintStyleType.Enum.Stroke),
+});
+
+export const FillStyle = z.object({
+  color: ColorWithDefault,
+  type: z.literal(PaintStyleType.Enum.Fill),
+});
+
+export const TextAlign = z.enum(["Left", "Center", "Right"]);
+
+export const PaintStyle = z.discriminatedUnion("type", [
+  StrokeStyle,
+  FillStyle,
+]);
+
+export const Paint = z.object({
+  style: PaintStyle,
+});
+
+export const TextPaint = z.object({
+  style: PaintStyle,
+  align: TextAlign,
+  size: z.number().min(0),
+});
+
+/* const NestedFillStyle = FillStyle.omit({ type: true }).default({});
+const NestedStrokeStyle = StrokeStyle.omit({ type: true }).default({});
+
+export const StrokeAndFillStyle = z.object({
+  color: ColorWithDefault,
+  type: z.literal(PaintStyleType.Enum.StrokeAndFill),
+  fill: NestedFillStyle,
+  stroke: NestedStrokeStyle,
+}); */

app/src/primitives/Timeline.ts

@@ -0,0 +1,14 @@
+import { z } from "zod";
+import { AnimatedEntities } from "./AnimatedEntities";
+
+export const RenderState = z.object({
+  curr_frame: z.number(),
+});
+
+export const Timeline = z.object({
+  entities: AnimatedEntities,
+  render_state: RenderState,
+  duration: z.number(),
+  fps: z.number().int(),
+  size: z.array(z.number().int()).length(2),
+});

app/src/primitives/Values.ts

@@ -0,0 +1,67 @@
+import { z } from "zod";
+import { Keyframes } from "./Keyframe";
+import { Interpolation } from "./Interpolation";
+
+export const Vec2 = z.array(z.number()).length(2);
+
+export const AnimatedNumber = z.object({
+  keyframes: Keyframes,
+});
+
+export const AnimatedVec2 = z.object({
+  keyframes: z.array(AnimatedNumber).length(2),
+});
+
+export function staticAnimatedNumber(
+  number: number
+): z.infer<typeof AnimatedNumber> {
+  return {
+    keyframes: {
+      values: [
+        {
+          interpolation: {
+            type: "Linear",
+          },
+          value: number,
+          offset: 0,
+        },
+      ],
+    },
+  };
+}
+
+export function staticAnimatedVec2(
+  x: number,
+  y: number
+): z.infer<typeof AnimatedVec2> {
+  return {
+    keyframes: [
+      {
+        keyframes: {
+          values: [
+            {
+              interpolation: {
+                type: "Linear",
+              },
+              value: x,
+              offset: 0,
+            },
+          ],
+        },
+      },
+      {
+        keyframes: {
+          values: [
+            {
+              interpolation: {
+                type: "Linear",
+              },
+              value: y,
+              offset: 0,
+            },
+          ],
+        },
+      },
+    ],
+  };
+}

app/src/services/project.service.ts

@@ -0,0 +1,27 @@
+import { useTimelineStore } from "stores/timeline.store";
+import { useEntitiesStore } from "stores/entities.store";
+import { useRenderStateStore } from "stores/render-state.store";
+import { z } from "zod";
+import { Timeline } from "primitives/Timeline";
+
+export class ProjectService {
+  public saveProject() {
+    const timelineStore = useTimelineStore.getState();
+    const entitiesStore = useEntitiesStore.getState();
+    const renderStateStore = useRenderStateStore.getState();
+
+    const timeline: z.input<typeof Timeline> = {
+      ...timelineStore,
+      entities: entitiesStore.entities,
+      render_state: renderStateStore.renderState,
+    };
+
+    const parsedTimeline = Timeline.parse(timeline);
+
+    const serializedTimeline = JSON.stringify(parsedTimeline);
+
+    return serializedTimeline;
+  }
+
+  public loadProject() {}
+}

app/src/stores/entities.store.ts

@@ -0,0 +1,35 @@
+import { EXAMPLE_ANIMATED_ENTITIES } from "example";
+import { produce } from "immer";
+import { AnimatedEntities, AnimatedEntity } from "primitives/AnimatedEntities";
+import { z } from "zod";
+import { create } from "zustand";
+
+interface EntitiesStore {
+  entities: z.input<typeof AnimatedEntities>;
+  selectedEntity: number | undefined;
+  selectEntity: (index: number) => void;
+  deselectEntity: () => void;
+  updateEntity: (
+    index: number,
+    entity: Partial<z.input<typeof AnimatedEntity>>
+  ) => void;
+}
+
+const useEntitiesStore = create<EntitiesStore>((set) => ({
+  entities: EXAMPLE_ANIMATED_ENTITIES,
+  selectEntity: (index) => set(() => ({ selectedEntity: index })),
+  deselectEntity: () => set(() => ({ selectedEntity: undefined })),
+  selectedEntity: undefined,
+  updateEntity: (index, entity) =>
+    set(({ entities }) => {
+      const nextEntities = produce(entities, (draft) => {
+        draft[index] = { ...draft[index], ...entity } as z.infer<
+          typeof AnimatedEntity
+        >;
+      });
+
+      return { entities: nextEntities };
+    }),
+}));
+
+export { useEntitiesStore };

app/src/stores/fonts.store.ts

@@ -0,0 +1,13 @@
+import { create } from "zustand";
+
+interface FontsStore {
+  fonts: Array<string>;
+  setFonts: (fonts: Array<string>) => void;
+}
+
+const useFontsStore = create<FontsStore>((set) => ({
+  fonts: [],
+  setFonts: (fonts) => ({ fonts }),
+}));
+
+export { useFontsStore };

app/src/stores/render-state.store.ts

@@ -0,0 +1,24 @@
+import { RenderState } from "primitives/Timeline";
+import { z } from "zod";
+import { create } from "zustand";
+
+interface RenderStateStore {
+  renderState: z.infer<typeof RenderState>;
+  setCurrentFrame: (target: number) => void;
+}
+
+const useRenderStateStore = create<RenderStateStore>((set) => ({
+  renderState: {
+    curr_frame: 20,
+  },
+  setCurrentFrame: (target) =>
+    set((store) => {
+      store.renderState = {
+        curr_frame: target,
+      };
+
+      return { renderState: store.renderState };
+    }),
+}));
+
+export { useRenderStateStore };

app/src/stores/timeline.store.ts

@@ -0,0 +1,15 @@
+import { create } from "zustand";
+
+interface TimelineStore {
+  fps: number;
+  duration: number;
+  size: [number, number];
+}
+
+const useTimelineStore = create<TimelineStore>((set) => ({
+  fps: 60,
+  size: [1920, 1080],
+  duration: 10.0,
+}));
+
+export { useTimelineStore };

app/src/styles.css

@@ -0,0 +1,137 @@
+@tailwind base;
+@tailwind components;
+@tailwind utilities;
+
+@layer base {
+  h1 {
+    @apply text-2xl;
+  }
+  h2 {
+    @apply text-xl;
+  }
+  h3 {
+    @apply text-lg;
+  }
+
+  h1,
+  h2,
+  h3,
+  h4,
+  h5,
+  h6,
+  a,
+  label {
+    @apply dark:text-white;
+  }
+
+  a {
+    @apply text-blue-600 underline;
+  }
+
+  select,
+  input {
+    @apply box-border bg-gray-900 shadow-indigo-100 hover:shadow-indigo-400 
+    focus:shadow-indigo-600 selection:bg-indigo-400 selection:text-black 
+    outline-none px-3 py-2 rounded-md shadow-[0_0_0_1px];
+  }
+
+  input {
+    @apply appearance-none items-center justify-center 
+     w-full  text-base leading-none
+   text-white transition-all;
+  }
+
+  select {
+    @apply appearance-none;
+  }
+}
+
+.label {
+  @apply mb-1;
+}
+
+label {
+  @apply mb-2;
+}
+
+:root {
+  font-family: Inter, Avenir, Helvetica, Arial, sans-serif;
+  font-size: 16px;
+  line-height: 24px;
+  font-weight: 400;
+
+  font-synthesis: none;
+  text-rendering: optimizeLegibility;
+  -webkit-font-smoothing: antialiased;
+  -moz-osx-font-smoothing: grayscale;
+  -webkit-text-size-adjust: 100%;
+}
+
+html,
+body,
+#root {
+  width: 100%;
+  height: 100%;
+}
+
+.SliderRoot {
+  position: relative;
+  display: flex;
+  align-items: center;
+  user-select: none;
+  touch-action: none;
+  width: 200px;
+  height: 20px;
+}
+
+.SliderTrack {
+  background-color: var(--black);
+  position: relative;
+  flex-grow: 1;
+  border-radius: 9999px;
+  height: 3px;
+}
+
+.SliderRange {
+  position: absolute;
+  background-color: #ddd;
+  border-radius: 9999px;
+  height: 100%;
+}
+
+.SliderThumb {
+  position: relative;
+  z-index: 100;
+  transition: opacity 0.1s linear, filter 0.1s linear;
+}
+
+.SliderThumb:hover {
+  filter: drop-shadow(0px 10px 10px white);
+}
+
+.SliderThumb::before {
+  content: "";
+  background-color: var(--indigo-400);
+  width: 20px;
+  height: 20px;
+  position: absolute;
+  left: -8.5px;
+  top: -10px;
+  clip-path: polygon(100% 0, 0 0, 50% 75%);
+  display: block;
+
+  @apply bg-indigo-300;
+}
+
+.SliderThumb::after {
+  content: "";
+  position: absolute;
+  top: 0;
+
+  width: 3px;
+  height: 1000px;
+  z-index: 200;
+  opacity: 1;
+
+  @apply bg-indigo-300;
+}

app/src/utils/index.ts

@@ -0,0 +1,45 @@
+import { AnimatedEntity } from "primitives/AnimatedEntities";
+import { Keyframe } from "primitives/Keyframe";
+import { AnimatedNumber, AnimatedVec2 } from "primitives/Values";
+import { z } from "zod";
+
+export function flattenAnimatedNumberKeyframes(
+  aNumber: z.input<typeof AnimatedNumber>
+): Array<z.input<typeof Keyframe>> {
+  return aNumber.keyframes.values;
+}
+
+export function flattenAnimatedVec2Keyframes(
+  aVec2: z.input<typeof AnimatedVec2>
+): Array<z.input<typeof Keyframe>> {
+  const keyframes: Array<z.input<typeof Keyframe>> = [
+    ...flattenAnimatedNumberKeyframes(aVec2.keyframes[0]),
+    ...flattenAnimatedNumberKeyframes(aVec2.keyframes[1]),
+  ];
+
+  return keyframes;
+}
+
+export function flattenedKeyframesByEntity(
+  entity: z.input<typeof AnimatedEntity>
+): Array<z.input<typeof Keyframe>> {
+  const keyframes: Array<z.input<typeof Keyframe>> = [];
+
+  switch (entity.type) {
+    case "Text":
+      keyframes.push(...flattenAnimatedVec2Keyframes(entity.origin));
+      break;
+    case "Box":
+      keyframes.push(...flattenAnimatedVec2Keyframes(entity.position));
+      keyframes.push(...flattenAnimatedVec2Keyframes(entity.size));
+      break;
+    case "Ellipse":
+      keyframes.push(...flattenAnimatedVec2Keyframes(entity.position));
+      keyframes.push(...flattenAnimatedVec2Keyframes(entity.radius));
+      break;
+    default:
+      break;
+  }
+
+  return keyframes;
+}

app/src/vite-env.d.ts

@@ -0,0 +1 @@
+/// <reference types="vite/client" />