127 lines
3.6 KiB
Python
Executable File
127 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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Shake Animation Template - Creates shaking/vibrating motion.
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Use this for impact effects, emphasis, or nervous/excited reactions.
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"""
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import sys
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import math
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from pathlib import Path
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sys.path.append(str(Path(__file__).parent.parent))
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from core.gif_builder import GIFBuilder
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from core.frame_composer import create_blank_frame, draw_circle, draw_emoji, draw_text
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from core.easing import ease_out_quad
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def create_shake_animation(
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object_type: str = 'emoji',
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object_data: dict = None,
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num_frames: int = 20,
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shake_intensity: int = 15,
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center_x: int = 240,
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center_y: int = 240,
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direction: str = 'horizontal', # 'horizontal', 'vertical', or 'both'
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frame_width: int = 480,
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frame_height: int = 480,
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bg_color: tuple[int, int, int] = (255, 255, 255)
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) -> list:
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"""
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Create frames for a shaking animation.
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Args:
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object_type: 'circle', 'emoji', 'text', or 'custom'
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object_data: Data for the object
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num_frames: Number of frames
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shake_intensity: Maximum shake displacement in pixels
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center_x: Center X position
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center_y: Center Y position
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direction: 'horizontal', 'vertical', or 'both'
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frame_width: Frame width
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frame_height: Frame height
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bg_color: Background color
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Returns:
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List of frames
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"""
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frames = []
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# Default object data
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if object_data is None:
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if object_type == 'emoji':
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object_data = {'emoji': '😱', 'size': 80}
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elif object_type == 'text':
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object_data = {'text': 'SHAKE!', 'font_size': 50, 'color': (255, 0, 0)}
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for i in range(num_frames):
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frame = create_blank_frame(frame_width, frame_height, bg_color)
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# Calculate progress
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t = i / (num_frames - 1) if num_frames > 1 else 0
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# Decay shake intensity over time
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intensity = shake_intensity * (1 - ease_out_quad(t))
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# Calculate shake offset using sine wave for smooth oscillation
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freq = 3 # Oscillation frequency
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offset_x = 0
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offset_y = 0
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if direction in ['horizontal', 'both']:
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offset_x = int(math.sin(t * freq * 2 * math.pi) * intensity)
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if direction in ['vertical', 'both']:
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offset_y = int(math.cos(t * freq * 2 * math.pi) * intensity)
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# Apply offset
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x = center_x + offset_x
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y = center_y + offset_y
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# Draw object
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if object_type == 'emoji':
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draw_emoji(
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frame,
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emoji=object_data['emoji'],
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position=(x - object_data['size'] // 2, y - object_data['size'] // 2),
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size=object_data['size']
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)
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elif object_type == 'text':
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draw_text(
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frame,
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text=object_data['text'],
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position=(x, y),
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font_size=object_data['font_size'],
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color=object_data['color'],
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centered=True
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)
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elif object_type == 'circle':
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draw_circle(
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frame,
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center=(x, y),
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radius=object_data.get('radius', 30),
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fill_color=object_data.get('color', (100, 100, 255))
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)
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frames.append(frame)
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return frames
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# Example usage
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if __name__ == '__main__':
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print("Creating shake GIF...")
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builder = GIFBuilder(width=480, height=480, fps=24)
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frames = create_shake_animation(
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object_type='emoji',
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object_data={'emoji': '😱', 'size': 100},
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num_frames=30,
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shake_intensity=20,
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direction='both'
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)
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builder.add_frames(frames)
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builder.save('shake_test.gif', num_colors=128) |