def update_directional_speed(self, b_obj, speedf, balance=False):
direction = self.directional_speed(b_obj.direction, speedf)
if balance and tools.vector_size(direction) > 0:
perpedicular_dir = (- direction[1], direction[0])
dot = (b_obj.velocities[0] * perpedicular_dir[0] + b_obj.velocities[2] * perpedicular_dir[1]) / \
(perpedicular_dir[0] * perpedicular_dir[0] + perpedicular_dir[1] * perpedicular_dir[1])
if dot < 0:
dot *= -1
perpedicular_dir = (direction[1], - direction[0])
direction = (direction[0] - perpedicular_dir[0] * dot, direction[1] - perpedicular_dir[1] * dot)
self.turn_to_direction(b_obj, direction[0], direction[1])
b_obj.velocities[0] += direction[0]
b_obj.velocities[2] += direction[1]
def handle_water_movement(self, b_obj):
is_in_water = False
water_current = (0, 0, 0)
bb = b_obj.aabb.expand(-0.001, -0.4010000059604645, -0.001)
top_y = tools.grid_shift(bb.max_y + 1)
for blk in self.world.grid.blocks_in_aabb(bb):
if isinstance(blk, blocks.BlockWater):
if top_y >= (blk.y + 1 - blk.height_percent):
is_in_water = True
water_current = blk.add_velocity_to(water_current)
if tools.vector_size(water_current) > 0:
water_current = tools.normalize(water_current)
wconst = 0.014
water_current = (water_current[0] * wconst, water_current[
1] * wconst, water_current[2] * wconst)
b_obj.velocities = [b_obj.velocities[0] + water_current[0],
b_obj.velocities[1] + water_current[1],
b_obj.velocities[2] + water_current[2]]
return is_in_water
def min_collision_between(self, bb1, bb2, horizontal=False, max_height=False):
ubb = bb1.extend_to(dy=-1).union(bb2.extend_to(dy=-1))
blcks = self.blocks_in_aabb(ubb)
dvect = bb1.vector_to(bb2)
if horizontal:
dvect = (dvect[0], 0, dvect[2])
col_rel_d = 1.1
col_bb = None
for blk in blcks:
col, rel_d, bb = blk.sweep_collision(
bb1, dvect, max_height=max_height)
if col and fops.eq(col_rel_d, rel_d):
if max_height:
if fops.lt(col_bb.max_y, bb.max_y):
col_bb = bb
if col and fops.lt(rel_d, col_rel_d):
col_rel_d = rel_d
col_bb = bb
if col_bb is not None:
return col_rel_d * tools.vector_size(dvect), col_bb
else:
return None, None
