예제 #1
0
	def calculate_hitbox(self, align_center=False):
		points_base = self.points
		# Calculate bounding rect
		leftmost, rightmost, topmost, bottommost = 1000, -1000, 1000, -1000
		for point in points_base:
			leftmost = min(leftmost, point.x)
			rightmost = max(rightmost, point.x)
			topmost = min(topmost, point.y)
			bottommost = max(bottommost, point.y)
		width, height = rightmost - leftmost, bottommost - topmost

		# Adjust center
		basepos = self.pos[:2]
		center = Vector(leftmost + width / 2 + basepos.x, topmost + height / 2 + basepos.y)
		if align_center:
			center.to_dict(self._dict["m_Pos"])
			self.points = (points_base := [point + basepos - center for point in points_base])
			leftmost, rightmost = [x + basepos.x - center.x for x in (leftmost, rightmost)]
			topmost, bottommost = [y + basepos.y - center.y for y in (topmost, bottommost)]
			self._center_offset = (0, 0)
		else:
			self._center_offset = basepos - center

		# Create hitbox bitmap
		offset = (- leftmost, topmost)
		points_hitbox = [(HITBOX_RESOLUTION * (point + offset).flip_y()).round() for point in points_base]
		surface = Surface((HITBOX_RESOLUTION * width + 1, HITBOX_RESOLUTION * height + 1), pygame.SRCALPHA, 32)
		pygame.draw.polygon(surface, BLACK, points_hitbox)
		self._hitbox = mask_from_surface(surface)
예제 #2
0
	def scale(self, value: Vector):
		old_scale = self.scale
		value.to_dict(self._dict["m_Scale"])
		change = (value / old_scale)[:2]
		if abs(change.x - 1) > 0.000001 or abs(change.y - 1) > 0.000001:
			basepos, rot = self.pos[:2], self.rotation
			for pin in self.static_pins:
				((Vector(pin).rotate(-rot, basepos) - basepos) * change + basepos).rotate(rot, basepos).to_dict(pin)
			for anchor in self.anchors:
				anchor.pos = ((anchor.pos.rotate(-rot, basepos) - basepos) * change + basepos).rotate(rot, basepos)
예제 #3
0
	def pos(self, value: Vector):
		value.to_dict(self._dict["m_Pos"])