public void MorphColor_MultiplePrimitives()
{
// create material
var material = new MaterialBuilder("mat1")
.WithDoubleSide(true)
.WithMetallicRoughnessShader();
var material2 = new MaterialBuilder("mat2")
.WithDoubleSide(true)
.WithMetallicRoughnessShader();
// create a mesh with two primitives, one for each material
var mesh = new MeshBuilder <VertexPosition, VertexColor1>("mesh");
var prim1 = mesh.UsePrimitive(material);
var redColor = new Vector4(1f, 0f, 0f, 1f);
prim1.AddTriangle(new VBColor1(new VertexPosition(-10, 0, 0), redColor),
new VBColor1(new VertexPosition(10, 0, 0), redColor),
new VBColor1(new VertexPosition(0, 10, 0), redColor));
var prim2 = mesh.UsePrimitive(material2);
prim2.AddTriangle(new VBColor1(new VertexPosition(-10, 0, 0), redColor),
new VBColor1(new VertexPosition(10, 0, 0), redColor),
new VBColor1(new VertexPosition(0, 10, 0), redColor));
var tri2 = new MeshBuilder <VertexPosition, VertexColor1>("mesh2");
prim1 = tri2.UsePrimitive(material);
prim1.AddTriangle(new VBColor1(new VertexPosition(-10, 0, 0), redColor),
new VBColor1(new VertexPosition(10, 0, 0), redColor),
new VBColor1(new VertexPosition(0, 10, 0), redColor));
// create a morph target that will change the color from red to green only for prim2
var greenColor = new Vector4(0f, 1f, 0f, 1f);
foreach (var p in mesh.Primitives)
{
if (p is not IPrimitiveBuilder pb)
{
continue;
}
for (var i = 0; i < p.Vertices.Count; ++i)
{
var oldVertexPosition = p.Vertices[i];
var greenMat = new VertexColor1(greenColor);
pb.SetVertexDelta(0, i, default,
public void TestMorphColorTargets2()
{
// create material
var material = new MaterialBuilder("mat1")
.WithDoubleSide(true)
.WithMetallicRoughnessShader();
var material2 = new MaterialBuilder("mat2")
.WithDoubleSide(true)
.WithMetallicRoughnessShader();
// create a mesh with two primitives, one for each material
var triangle = new MeshBuilder <VertexPosition, VertexColor1>("mesh");
var prim = triangle.UsePrimitive(material);
var redColor = new Vector4(1f, 0f, 0f, 1f);
prim.AddTriangle(new VBColor1(new VertexPosition(-10, 0, 0), redColor),
new VBColor1(new VertexPosition(10, 0, 0), redColor),
new VBColor1(new VertexPosition(0, 10, 0), redColor));
var prim2 = triangle.UsePrimitive(material2);
prim2.AddTriangle(new VBColor1(new VertexPosition(-10, 0, 0), redColor),
new VBColor1(new VertexPosition(10, 0, 0), redColor),
new VBColor1(new VertexPosition(0, 10, 0), redColor));
// create a morph target that will change the color from red to green only for prim2
var greenColor = new Vector4(0f, 1f, 0f, 1f);
foreach (var p in triangle.Primitives)
{
for (var i = 0; i < p.Vertices.Count; ++i)
{
var oldVertexPosition = p.Vertices[i];
var greenMat = new VertexColor1(greenColor);
((IPrimitiveBuilder)p).SetVertexDelta(0, i, default,
