public static TemplateMesh Quad(TemplateVertex bottomLeft, TemplateVertex topLeft, TemplateVertex bottomRight, TemplateVertex topRight)
{
var r = TemplateMesh.EmptyMesh();
r.QuadPart(bottomLeft, topLeft, bottomRight, topRight);
return(r);
}
private void GrowVerticies(int by)
{
VertexCount += by;
if (Verticies.Length < VertexCount)
{
var newVerts = new TemplateVertex[(int)Math.Ceiling(VertexCount * 1.5)];
Verticies.CopyTo(newVerts, 0);
Verticies = newVerts;
}
}
public void QuadPart(TemplateVertex bottomLeft, TemplateVertex topLeft, TemplateVertex bottomRight, TemplateVertex topRight)
{
var baseIndex = VertexCount;
GrowVerticies(4);
Verticies[baseIndex + 0] = topLeft.WithTextCoordinate(new Vector2(0.0f, 0.0f));
Verticies[baseIndex + 1] = topRight.WithTextCoordinate(new Vector2(1.0f, 0.0f));
Verticies[baseIndex + 2] = bottomRight.WithTextCoordinate(new Vector2(1.0f, 1.0f));
Verticies[baseIndex + 3] = bottomLeft.WithTextCoordinate(new Vector2(0.0f, 1.0f));
}