Extending the Player

Implemented Features

• Keyframe interpolation (linear + hold/step)
• Animated properties (colors, opacity, position, rotation, scale, etc.)
• Shape rendering (Rectangle, Ellipse, Path, Polystar)
• Solid fills with animated colors and opacity
• Gradient fills (linear gradients with color stops)
• Stroke styling
• Layer and group transforms with anchor points
• Correct rendering order (reverse/bottom-to-top)
• Basic 3D rotation approximation (rx, ry using 2D scaling)
• Animation playback controls
• Frame scrubbing with slider

Can Now Handle

• box-moving-changing-color.json: Moving/color-changing rectangle
• java_duke_fadein.json: Fade-in with gradient fills
• java_duke_flip.json: 3D flip approximation