| public computeAABB ( AABB &aabb, Transform &transform, int childIndex ) : void | ||
| aabb | AABB | The aabb results. |
| transform | Transform | The world transform of the shape. |
| childIndex | int | The child shape index. |
| return | void | |
public override void computeAABB( out AABB aabb, ref Transform transform, int childIndex )
{
var lower = MathUtils.mul( ref transform, vertices[0] );
var upper = lower;
for( int i = 1; i < vertices.Count; ++i )
{
var v = MathUtils.mul( ref transform, vertices[i] );
lower = Vector2.Min( lower, v );
upper = Vector2.Max( upper, v );
}
var r = new Vector2( radius, radius );
aabb.lowerBound = lower - r;
aabb.upperBound = upper + r;
}
