// initialize
public void Init()
{
// initialize camera
camera = new Camera(new Vector3(0, 10, 15), Quaternion.FromAxisAngle(Vector3.UnitX, -0.5f));
// initialize stopwatch
timer = new Stopwatch();
timer.Start();
// create model shaders
shaderDefault = Shader.Load("vs", "fs");
shaderNormal = Shader.Load("vs_normal", "fs_normal");
shaderConstant = Shader.Load("vs", "fs_const");
shaderFur = new FurShader("../../shaders/vs_fur.glsl", "../../shaders/fs_fur.glsl");
shaderSkyBox = Shader.Load("vs_skybox", "fs_skybox");
shaderReflective = Shader.Load("vs", "fs_reflective");
// create post processing shaders
shaderPostProc = Shader.Load("vs_post", "fs_post");
shaderKernel = new PostKernelShader("../../shaders/vs_post.glsl", "../../shaders/fs_kernel.glsl");
shaderVigAndChrom = new PostVigAndChromShader("../../shaders/vs_post.glsl", "../../shaders/fs_vigchrom.glsl");
shaderPostBloomBlend = Shader.Load("vs_post", "fs_bloomblend");
// load meshes
meshTeapot = new Mesh("../../assets/teapot.obj");
meshFloor = new Mesh("../../assets/floor.obj");
meshCube = new Mesh("../../assets/cube.obj");
meshHeightMap = new HeightMap("../../assets/heightmap.png");
// load textures
textureFur = Texture.Load("fur.png");
textureWood = Texture.Load("wood.jpg");
textureTrump = Texture.Load("thetrump.png");
textureBrickWall = Texture.Load("brickwall.jpg");
textureSkyBox = new CubeTexture(
"../../assets/sea_rt.JPG", "../../assets/sea_lf.JPG",
"../../assets/sea_up.JPG", "../../assets/sea_dn.JPG",
"../../assets/sea_bk.JPG", "../../assets/sea_ft.JPG"
);
// load normal maps
normalNormal = Texture.Load("normal_normal.png");
normalBrickWall = Texture.Load("brickwall_normal.jpg");
normalHeightMap = Texture.Load("heightmap_normal.png");
ResizeWindow();
quad = new ScreenQuad();
// create models
modelTeapot = new Model(meshTeapot, textureWood, shaderNormal, Matrix4.CreateTranslation(new Vector3(0, 0.1f, 0)));
modelFloor = new Model(meshFloor, textureBrickWall, shaderNormal, Matrix4.Identity);
modelLightPos = new Model(meshCube, null, shaderConstant, Matrix4.Identity);
modelHeightMap = new Model(meshHeightMap, textureTrump, shaderDefault, Matrix4.CreateScale(10f) * Matrix4.CreateTranslation(20f, 0f, 0f));
Model teapot2 = new Model(meshTeapot, textureWood, shaderDefault, Matrix4.CreateScale(0.5f, 1f, 0.5f) * Matrix4.CreateRotationY(1.5f) * Matrix4.CreateTranslation(new Vector3(0, 24f, 0)));
// set normal maps of specific models
modelFloor.normalMap = normalBrickWall;
modelTeapot.normalMap = normalBrickWall;
modelLightPos.color = new Vector3(1f, 1f, .5f);
modelHeightMap.normalMap = normalHeightMap;
// create special models
ReflectiveModel refl = new ReflectiveModel(meshTeapot, shaderReflective, Matrix4.CreateTranslation(0, 12f, 0), textureSkyBox);
FurModel furmod = new FurModel(meshTeapot, textureBrickWall, textureFur, shaderDefault, shaderFur, Matrix4.CreateRotationX((float)Math.PI / 2f) * Matrix4.CreateTranslation(new Vector3(0, 36f, 0)));
// set up scenegraph
SceneNode mainNode = new SceneNode();
subScene = new SceneNode();
subScene.AddChildModel(refl);
subScene.AddChildModel(furmod);
subScene.AddChildModel(teapot2);
mainNode.AddChildNode(subScene);
mainNode.AddChildModel(modelFloor);
mainNode.AddChildModel(modelTeapot);
mainNode.AddChildModel(modelLightPos);
mainNode.AddChildModel(modelHeightMap);
scene = new SceneGraph(mainNode);
// set kernel used for final post processing step
kernel = Kernel.SmallGaussianBlur;
}
// render the mesh using the supplied shader and matrix
public void RenderSkyBox(Shader shader, Matrix4 meshToWorld, Matrix4 worldToScreen, CubeTexture textureSkyBox)
{
GL.DepthMask(false);
Prepare(shader);
GL.UseProgram(shader.programID);
// enable texture
GL.Uniform1(GL.GetUniformLocation(shader.programID, "pixels"), 0);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.TextureCubeMap, textureSkyBox.id);
// pass transform to vertex shader
shader.SetUniforms(meshToWorld, worldToScreen);
drawMesh(shader);
GL.DepthMask(true);
}
// render the mesh using the supplied shader and matrix
public void ReflectiveRender(Shader shader, Matrix4 meshToWorld, Matrix4 worldToScreen, CubeTexture textureSkyBox, Vector3 materialColor)
{
Prepare(shader);
GL.UseProgram(shader.programID);
// enable texture
GL.Uniform1(GL.GetUniformLocation(shader.programID, "skybox"), 0);
GL.ActiveTexture(TextureUnit.Texture0);
GL.BindTexture(TextureTarget.TextureCubeMap, textureSkyBox.id);
// pass transform to vertex shader
shader.SetUniforms(meshToWorld, worldToScreen);
GL.Uniform3(shader.uniform_materialcolor, materialColor);
drawMesh(shader);
}
public ReflectiveModel(Mesh mesh, Shader shader, Matrix4 transformation, CubeTexture skybox) : base(mesh, null, shader, transformation)
{
this.skyBox = skybox;
}