// Check the collision based on type
bool AABB::checkCollision(Collider* other)
{
int type = calculateCollisionType(other);
if(type == AABB_AABB)
{
return checkAABB(dynamic_cast<AABB*>(other));
}
else if(type == AABB_LINE)
{
return(other->checkCollision(this));
}
return false;
}
// Returns the new velocity to use based on the collision
// (If no collision, return given velocity)
glm::vec3 AABB::collisionResponseVector(Collider* other, glm::vec3 velocity)
{
if(calculateCollisionType(other) == AABB_AABB)
{
AABB* otherAABB = dynamic_cast<AABB*>(other);
// If collision, calculate a new velocity
if(checkAABB(otherAABB))
{
//Play sound when collision happens
//see: http://stackoverflow.com/questions/1565439/how-to-playsound-in-c-using-windows-api
//see: http://msdn.microsoft.com/en-us/library/windows/desktop/dd743680(v=vs.85).aspx
//Note: you have to place sound file where .exe file is
PlaySound(TEXT("bounce.wav"), NULL, SND_ASYNC);
// Get the normal (axis)
glm::vec3 normal = getNormal(otherAABB);
velocity = glm::reflect(velocity, normal);
}
}
return velocity;
}
bool Frustum::intersectsWith(const AABBVolume& aabb) const
{
Vector3f extentsHalf=aabb.extents()*0.5f;
return checkAABB(aabb.center()-extentsHalf,aabb.center()+extentsHalf)!=NotInFrustum;
}
bool UINode::checkBounds (int x, int y) const
{
const float _x = x / static_cast<float>(_frontend->getWidth());
const float _y = y / static_cast<float>(_frontend->getHeight());
return checkAABB(_x, _y, getX(), getY(), getWidth(), getHeight());
}
