CCSceneCollideable* CCSceneMoveable::applyVerticalVelocity(const float increment)
{
position.y += increment;
CCSceneCollideable *collidedWith = CCBasicOctreeCollisionCheck( this, &position, true );
if( collidedWith != NULL )
{
position.y -= increment;
const float originalPosition = position.y;
// Since basic collision check doesn't return the actual closest collision, keep re-running the check until we're collision free
CCSceneCollideable *currentlyCollidingWith = collidedWith;
while( currentlyCollidingWith != NULL )
{
position.y = originalPosition;
collidedWith = currentlyCollidingWith;
position.y = getCollisionPosition( &position.y, &collisionBounds.y, &collidedWith->positionPtr->y, &collidedWith->collisionBounds.y );
if( position.y == originalPosition )
{
currentlyCollidingWith = NULL;
}
else
{
currentlyCollidingWith = CCBasicOctreeCollisionCheck( this, &position );
}
}
}
return collidedWith;
}
void Crate::update()
{
if( ICollisional::collisionChange() )
{
if( ICollisional::isCollide() )
m_sprite->setColor( XeCore::XeHalfVector( 1.0f, 0.0f, 0.0f ) );
else
m_sprite->setColor( XeCore::XeHalfVector( 1.0f, 1.0f, 1.0f ) );
}
XeCore::XeHalfVector t = getCollisionPosition() + XeCore::XeHalfVector( m_spd.X * GLOBAL.engine->getDeltaTime(), m_spd.Y * GLOBAL.engine->getDeltaTime() );
if( t.X < -getCollisionRange() * 2.0f )
t.X = 1024.0f + getCollisionRange() * 2.0f;
if( t.Y < -getCollisionRange() * 2.0f )
t.Y = 576.0f + getCollisionRange() * 2.0f;
if( t.X > 1024.0f + getCollisionRange() * 2.0f )
t.X = -getCollisionRange() * 2.0f;
if( t.Y > 576.0f + getCollisionRange() * 2.0f )
t.Y = -getCollisionRange() * 2.0f;
setCollisionPosition( t );
m_sprite->setPosition( t );
m_sprite->setRotation( XeCore::XeAngleHalfVector( m_sprite->getRotation().Alpha + m_rot * GLOBAL.engine->getDeltaTime() ) );
}
CCSceneCollideable* CCSceneMoveable::applyHorizontalVelocity(const float velocityX, const float velocityZ)
{
position.x += velocityX;
position.z += velocityZ;
CCSceneCollideable *collidedWith = CCBasicOctreeCollisionCheck( this, &position, true );
if( collidedWith != NULL )
{
position.x -= velocityX;
CCSceneCollideable *collidedWithZ = collidedWith;
if( velocityZ != 0.0f )
{
collidedWithZ = CCBasicOctreeCollisionCheck( this, &position );
}
if( collidedWithZ != NULL )
{
position.z -= velocityZ;
position.x += velocityX;
CCSceneCollideable *collidedWithX = collidedWith;
if( velocityX != 0.0f )
{
collidedWithX = CCBasicOctreeCollisionCheck( this, &position );
}
if( collidedWithX != NULL )
{
position.x -= velocityX;
// Moving failed
// Kill the additional velocity
additionalVelocity.x = 0.0f;
additionalVelocity.z = 0.0f;
}
// Moving X passed
else
{
float collisionZ = getCollisionPosition( &position.z, &collisionBounds.z, &collidedWith->positionPtr->z, &collidedWith->collisionBounds.z );
position.z = collisionZ;
// Kill the z additional velocity
additionalVelocity.z = 0.0f;
}
}
// Moving Z passed
else
{
float collisionX = getCollisionPosition( &position.x, &collisionBounds.x, &collidedWith->positionPtr->x, &collidedWith->collisionBounds.x );
position.x = collisionX;
// Kill the x additional velocity
additionalVelocity.x = 0.0f;
}
}
return collidedWith;
}
