def updatePhysics(self, game):
# self.f += game.gravity * self.gravityFactor * self.m
middleOfScreen = V3(game.screenw / 2.0, game.screenh / 2.0)
pullStrength = con.BLACK_HOLE_GRAVITY_STRENGTH * self.gravityFactor ** 2
f = (middleOfScreen - self.pos) * pullStrength
if hasattr(self.owner, "favoriteFruit") and self.owner.id == 1:
pass
# print "vectoMiddle:", game.vectorToMiddle(self.pos).len()
if game.vectorToMiddle(self.pos).len() < con.EVENT_HORIZON_RADIUS:
self.f += f
else:
self.f += f * 0.25
# self.v += f * 1e-4 * (self.gravityFactor)**2
if hasattr(self.owner, "type"):
po = self.owner.po
# print "", po.v
self.v += V3()
self.a = self.f / self.m
self.f = V3()
self.v += self.a * game.dt
self.pos += self.v * game.dt
if self.owner and self.owner.id == 0 and False:
print "f :", self.f
print "v :", self.v
print "a :", self.a
print "pos:", self.pos
def update(self, game, key):
if self.po:
self.po.updatePhysics(game)
pos = self.po.pos
if (
pos.x < -con.BULLET_REMOVE_BORDER
or pos.x > game.screenw + con.BULLET_REMOVE_BORDER
or pos.y < -con.BULLET_REMOVE_BORDER
or pos.y > game.screenh + con.BULLET_REMOVE_BORDER
or self.ttl is not None
and self.ttl <= 0
):
self.markedForRemoval = True
return
if game.vectorToMiddle(pos).len() < game.blackHoleSize:
game.blackHoleSize += con.BLACK_HOLE_INCREASE_BY_BULLET
self.markedForRemoval = True
return
# Collision detection with players
for player in game.players:
if self.owner != player.id and player.po and (self.po.pos - player.po.pos).len() < con.COLLISION_DIST:
# print "player %s was hit!" % player.id
if player.id == 1: # HANDICAP FOR P2
# player.po.hp -= self.damage / 2.0
player.po.hp -= self.damage
else:
player.po.hp -= self.damage
# p=mv => m1 v1 = m2 v2 => v1 = m2 v2 / v1
vDiff = (self.po.m * self.BULLET_SPEED) / player.po.m
player.po.v += self.po.v.normalize() * vDiff
player.po.gravityFactor += self.damage / 100.0
# check for player dying
if player.po.hp <= 11.0: # random value since we're not
# drawing from the top
player.po.hp = player.po.maxHp
print "player with id=%s died!" % player.id
self.markedForRemoval = True
return
if self.ttl is not None:
self.ttl -= 1
def update(self, game, key):
if self.po:
self.po.updatePhysics(game)
if game.vectorToMiddle(self.po.pos + V3(self.hw, self.hh)).len() \
< game.blackHoleSize:
self.respawn(game)
self.livesLeft -= 1
game.blackHoleSize += con.BLACK_HOLE_INCREASE_BY_PLAYER
"""
#move player to other side if outside
pos = self.po.pos
if pos.x + self.w < 0:
pos.x = game.screenw
elif pos.x >= game.screenw:
pos.x = 0 - self.w
if pos.y + self.h < 0:
pos.y = game.screenh
elif pos.y >= game.screenh:
pos.y = 0 - self.h
"""
#bouncy walls
pos = self.po.pos
if pos.x < 0 and self.po.v.x < 0:
self.po.v.x *= con.BOUNCE_FACTOR_ON_WALLS
elif pos.x + self.w >= game.screenw and self.po.v.x > 0:
self.po.v.x *= con.BOUNCE_FACTOR_ON_WALLS
if pos.y < 0 and self.po.v.y < 0:
self.po.v.y *= con.BOUNCE_FACTOR_ON_WALLS
elif pos.y + self.h >= game.screenh and self.po.v.y > 0:
self.po.v.y *= con.BOUNCE_FACTOR_ON_WALLS
"""
pos = self.po.pos
if pos.x < 0 and self.po.v.x < 0:
self.po.v.x *= -0.9
elif pos.x + self.w >= game.screenw and self.po.v.x > 0:
self.po.v.x *= -0.9
elif pos.y < con.TOP_GLUE_START and self.po.v.y < 5:
if pos.y < 0:
self.po.v.y += 2.1
self.po.pos.y += 0.5
self.po.v.y *= 0.6 + 0.2*max(0,pos.y)/float(con.TOP_GLUE_START)
elif pos.y + self.h >= game.screenh - con.BOTTOM_HEIGHT \
and self.po.v.y > 0:
#print "abs(self.po.v.y): ", abs(self.po.v.y)
if abs(self.po.v.y) < con.STOP_BOUNCE_LIMIT:
self.po.v.y = 0
pos.y = game.screenh - con.BOTTOM_HEIGHT - self.h
else:
self.po.v.x *= 0.9
self.po.v.y *= con.BOUNCE_FACTOR_ON_FLOOR
if pos.y + self.h >= game.screenh - con.BOTTOM_HEIGHT:
pos.y = game.screenh - con.BOTTOM_HEIGHT - self.h
self.po.v.x *= 0.7
"""
self.po.v *= con.PLAYER_DRAG
self.updateControls(game, key)
