/// Initialize the proxy using the given shape. The shape
/// must remain in scope while the proxy is in use.
public void Set(b2Shape shape, int index)
{
switch (shape.GetType())
{
case b2Shape.Type.e_circle:
{
b2CircleShape circle = (b2CircleShape)shape;
m_vertices = new [] { circle.m_p };
m_count = 1;
m_radius = circle.m_radius;
}
break;
case b2Shape.Type.e_polygon:
{
b2PolygonShape polygon = (b2PolygonShape)shape;
m_vertices = (b2Vec2[])polygon.m_vertices.Clone();
m_count = polygon.m_count;
m_radius = polygon.m_radius;
}
break;
case b2Shape.Type.e_chain:
{
b2ChainShape chain = (b2ChainShape)shape;
Debug.Assert(0 <= index && index < chain.m_count);
m_buffer[0] = chain.m_vertices[index];
if (index + 1 < chain.m_count)
{
m_buffer[1] = chain.m_vertices[index + 1];
}
else
{
m_buffer[1] = chain.m_vertices[0];
}
m_vertices = m_buffer;
m_count = 2;
m_radius = chain.m_radius;
}
break;
case b2Shape.Type.e_edge:
{
b2EdgeShape edge = (b2EdgeShape)shape;
m_vertices = new [] { edge.m_vertex1, edge.m_vertex2 };
m_count = 2;
m_radius = edge.m_radius;
}
break;
default:
Debug.Assert(false);
break;
}
}
/**
* Initialize the proxy using the given shape. The shape
* must remain in scope while the proxy is in use.
*/
public void Set(b2Shape shape)
{
/*switch(shape.GetType())
* {
* case b2Shape.e_circleShape:
* {
* b2CircleShape circle = shape as b2CircleShape;
* m_vertices = new List<b2Vec2>();
* m_vertices[0] = circle.m_p;
* m_count = 1;
* m_radius = circle.m_radius;
* }
* break;
* case b2Shape.e_polygonShape:
* {
* b2PolygonShape polygon = shape as b2PolygonShape;
* m_vertices = polygon.m_vertices;
* m_count = polygon.m_vertexCount;
* m_radius = polygon.m_radius;
* }
* break;
* default:
* b2Settings.b2Assert(false);
* }*/
if (shape.GetType() == b2Shape.e_circleShape)
{
b2CircleShape circle = shape as b2CircleShape;
m_vertices = new List <b2Vec2>();
m_vertices.Add(circle.m_p);
m_count = 1;
m_radius = circle.m_radius;
}
else if (shape.GetType() == b2Shape.e_polygonShape)
{
b2PolygonShape polygon = shape as b2PolygonShape;
m_vertices = polygon.m_vertices;
m_count = polygon.m_vertexCount;
m_radius = polygon.m_radius;
}
else
{
b2Settings.b2Assert(false);
}
}