public static bool beginCollisionWithAny(ChipmunkArbiter arbiter)
{
ChipmunkShape shape1, shape2;
// The order of the arguments matches the order in the function name.
arbiter.GetShapes(out shape1, out shape2);
// change direction of movement whenever hit something like a wall
if (GameObjectTools.isWallHit(arbiter))
{
Patrol p1 = shape1.GetComponent <Patrol>();
if (p1 != null && p1.enabled)
{
p1.toogleDir();
}
Patrol p2 = shape2.GetComponent <Patrol>();
if (p2 != null && p2.enabled)
{
p2.toogleDir();
}
}
// Returning false from a begin callback means to ignore the collision response for these two colliding shapes
// until they separate. Also for current frame. Ignore() does the same but next fixed step.
return(true);
}
public static bool beginCollisionWithScenery(ChipmunkArbiter arbiter)
{
ChipmunkShape shape1, shape2;
// The order of the arguments matches the order in the function name.
arbiter.GetShapes(out shape1, out shape2);
// if chasing then avoid wall penetration
Chase chase = shape1.GetComponent <Chase>();
if (chase != null && chase.isChasing() && GameObjectTools.isWallHit(arbiter))
{
chase.stopChasing();
chase.enableOperateWhenOutOfSensor();
}
// Returning false from a begin callback means to ignore the collision response for these two colliding shapes
// until they separate. Also for current frame. Ignore() does the same but next frame.
return(true);
}
public static bool beginCollisionWithScenery(ChipmunkArbiter arbiter)
{
ChipmunkShape shape1, shape2;
// The order of the arguments matches the order in the function name.
arbiter.GetShapes(out shape1, out shape2);
Player player = shape1.GetComponent <Player>();
/*if (player.isDying())
* return false; // stop collision with scenery since this frame*/
player.exitedFromScenery = false;
// avoid ground penetration (Y axis)
// NOTE: to solve this Chipmunk has the property collisionBias and/or minPenetrationForPenalty
Vector2 thePos = player.body.position;
float depth = arbiter.GetDepth(0);
thePos.y -= depth;
player.body.position = thePos;
// if isn't a grounded surface then stop velocity and avoid getting inside the object
if (GameObjectTools.isWallHit(arbiter))
{
// get sign direction to know what offset apply to body
player.signCollision = -Mathf.Sign(player.transform.position.x - shape2.transform.position.x);
// set moving velocity close to 0 so player can't move against the wall but can change direction of movement
player.walkVelocity = 0.001f;
// move back to the contact point and a little more
thePos = player.body.position;
thePos.x += player.signCollision * (depth - 0.01f);
player.body.position = thePos;
}
// Returning false from a begin callback means to ignore the collision response for these two colliding shapes
// until they separate. Also for current frame. Ignore() does the same but next frame.
return(true);
}