49 lines
1.8 KiB
Python
49 lines
1.8 KiB
Python
from sprite.BoundingBox import BoundingBox
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from sprite.Spritesheet import Spritesheet
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from sprite.StaticSprite import StaticSprite
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from physics.TickData import TickData
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class DynamicSprite(StaticSprite):
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def __init__(self, spritesheet: Spritesheet):
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super().__init__(spritesheet)
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self.motion = (0, 0)
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self.deceleration_horizontal_air = 0.02
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self.deceleration_horizontal_ground = 0.3
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self.gravity = 9.81 / 10
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# up, right, down, left
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self.touches_bounding = (False, False, False, False)
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def tick(self, tick_data: TickData):
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super().tick(tick_data)
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deceleration_horizontal = 0
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if abs(self.motion[0]) > 0:
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if self.touches_bounding[2]:
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deceleration_horizontal = self.deceleration_horizontal_ground
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else:
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deceleration_horizontal = self.deceleration_horizontal_air
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self.motion = (
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self.motion[0] - deceleration_horizontal * self.motion[0] * tick_data.dt,
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self.motion[1] + self.gravity * tick_data.dt
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)
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def set_touches_bottom(self, value: bool):
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self.touches_bounding = (self.touches_bounding[0], self.touches_bounding[1], value, self.touches_bounding[3])
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def set_touches_right(self, value: bool):
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self.touches_bounding = (self.touches_bounding[0], value, self.touches_bounding[2], self.touches_bounding[3])
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def set_touches_left(self, value: bool):
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self.touches_bounding = (self.touches_bounding[0], self.touches_bounding[1], self.touches_bounding[2], value)
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def set_touches_top(self, value: bool):
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self.touches_bounding = (value, self.touches_bounding[1], self.touches_bounding[2], self.touches_bounding[3])
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def reset_touches(self):
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self.touches_bounding = (False, False, False, False)
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