35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
from typing import Optional
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from physics.CollisionDirection import CollisionDirection
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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: Optional[Spritesheet] = None):
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super().__init__(spritesheet)
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self.motion = (0, 0)
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self.apply_base_deceleration = True
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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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def tick(self, tick_data: TickData):
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super().tick(tick_data)
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if self.apply_base_deceleration:
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deceleration_horizontal = 0
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if abs(self.motion[0]) > 0:
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if self.get_collides_with_direction(CollisionDirection.BOTTOM):
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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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