protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
Title = "univ engine";
shader = ShaderLibrary.Get("basic");
line_shader = ShaderLibrary.Get("line");
ObjLoader loader = new ObjLoader("teapot.obj");
model = loader.Assemble();
model.Rescale(0.02f);
octree = new Octree(shader);
octree.Rescale(10);
axis = new Axis(line_shader);
this.camera = new Camera(Width, Height);
GL.Viewport(0, 0, Width, Height);
/* lighting */
sunlight = new DirectionalLight(new BaseLight(new Vector3(1.0f, 0.5f, 0.2f), 1.0f),
new Vector3(0, -1, -2));
ambient = new BaseLight(new Vector3(1.0f), 0.5f);
point = new PointLight(new BaseLight(new Vector3(0.0f, 1.0f, 0.0f), 0.35f),
new Attenuation(0.0f, 0.00f, 0.002f),
new Vector3(7, 10, 0));
shader.Use();
/* f**k this shit for now */
//shader.SetBlock<DirectionalLight>("sunlight", ref sunlight);
//shader.SetBlock<BaseLight>("ambient", ref ambient);
shader.SetBaseLight("ambient", ambient);
shader.SetDirectionalLight("sunlight", sunlight);
shader.SetPointLight("pointLights[0]", point);
GL.Enable(EnableCap.DepthClamp);
GL.Enable(EnableCap.DepthTest);
GL.DepthFunc(DepthFunction.Less);
GL.Enable(EnableCap.CullFace);
GL.CullFace(CullFaceMode.Back);
GL.ClearColor(Color.LightGray);
}
public Model Assemble()
{
if (vertexNormals.Count == 0)
calculateNormals();
Vector3[] vertexData = verticies.ToArray();
Vector3[] normals = vertexNormals.ToArray();
Byte3[] colors = new Byte3[vertexData.Length];
ushort[] indices = new ushort[faces.Count * 3];
Byte3 color = new Byte3(45, 35, 200);
for(int i = 0; i < colors.Length; i++)
colors[i] = color;
int j = 0;
foreach(UInt3 f in faces) {
indices[j++] = (ushort)(f.Z - 1);
indices[j++] = (ushort)(f.Y - 1);
indices[j++] = (ushort)(f.X - 1);
}
VertexArray mesh = new VertexArray();
mesh.CreateBuffer("vertex").BufferData<Vector3>(ref vertexData);
mesh.CreateBuffer("normal").BufferData<Vector3>(ref normals);
mesh.CreateBuffer("colors").BufferData<Byte3>(ref colors);
mesh.CreateBuffer("index", BufferTarget.ElementArrayBuffer).BufferData<ushort>(ref indices);
Model model = new Model(faces.Count, mesh);
mesh.AddPointer("vertex",
new VertexAttribute(model.Shader, "vPosition", VertexAttribPointerType.Float, 3, 0, false));
mesh.AddPointer("colors",
new VertexAttribute(model.Shader, "vColor", VertexAttribPointerType.UnsignedByte, 3, 0, true));
mesh.AddPointer("normal",
new VertexAttribute(model.Shader, "vNormal", VertexAttribPointerType.Float, 3, 0, false));
return model;
}