add staggered text

rename box to rect
refactor rust

app/src-tauri/src/animation/primitives/transform.rs

@@ -0,0 +1,64 @@
+use super::{
+    entities::common::AnimationData,
+    values::{AnimatedFloatVec2, AnimatedValue},
+};
+use crate::animation::timeline::Timeline;
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+pub struct AnimatedTransform {
+    pub translate: AnimatedFloatVec2,
+    pub scale: AnimatedFloatVec2,
+    pub skew: AnimatedFloatVec2,
+    pub rotate: AnimatedFloatVec2,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+pub struct Transform {
+    pub translate: (f32, f32),
+    pub scale: (f32, f32),
+    pub skew: (f32, f32),
+    pub rotate: (f32, f32),
+}
+
+impl AnimatedTransform {
+    pub fn sort_keyframes(&mut self) {
+        self.rotate.sort_keyframes();
+        self.skew.sort_keyframes();
+        self.scale.sort_keyframes();
+        self.translate.sort_keyframes();
+    }
+
+    pub fn calculate(&mut self, timeline: &Timeline, animation_data: &AnimationData) -> Transform {
+        let skew = self.skew.get_value_at_frame(
+            timeline.render_state.curr_frame,
+            animation_data,
+            timeline.fps,
+        );
+
+        let scale = self.scale.get_value_at_frame(
+            timeline.render_state.curr_frame,
+            animation_data,
+            timeline.fps,
+        );
+
+        let translate = self.translate.get_value_at_frame(
+            timeline.render_state.curr_frame,
+            animation_data,
+            timeline.fps,
+        );
+
+        let rotate = self.rotate.get_value_at_frame(
+            timeline.render_state.curr_frame,
+            animation_data,
+            timeline.fps,
+        );
+
+        Transform {
+            skew,
+            scale,
+            translate,
+            rotate,
+        }
+    }
+}