public static void DrawShape(Shape shape, Matrix transform, Color color, SpriteBatch spriteBatch)
{
List<Edge> edges = shape.GetEdges();
foreach (Edge e in edges)
{
Vector2 transformedV1 = Vector2.Transform(e.V1, transform);
Vector2 transformedV2 = Vector2.Transform(e.V2, transform);
LineBatch.DrawLine(
spriteBatch,
color,
transformedV1,
transformedV2);
}
}
public static void ProjectShapeToAxis(Vector2 axis, Shape shape, ref float min, ref float max)
{
List<Vector2> vertices = shape.GetVertices();
float proj = LinearFunctions.GetProjection(axis, vertices[0]);
min = max = proj;
for (int i = 1; i < vertices.Count; i++)
{
proj = LinearFunctions.GetProjection(axis, vertices[i]);
if (proj < min)
{
min = proj;
}
else if (proj > max)
{
max = proj;
}
}
}
public static Shape GetTransformedShape(Shape shape, Matrix transform)
{
Shape newShape = new Shape(LinearFunctions.GetTransformedVertices(shape.GetVertices(), transform));
return newShape;
}
