private void AddObjects()
{
// create SceneGraph
sceneGraph = new SceneGraph();
// create sceneGraphObjects
floor = new SceneGraphObject();
teapot = new SceneGraphObject();
// load meshes and add them to actors
floor.setMesh("assets/floor.obj");
teapot.setMesh("assets/teapot.obj");
// load a texture
teapot.Mesh.Texture = "assets/wood.jpg";
floor.Mesh.Texture = "assets/wood.jpg";
// create camera
var camera = new Camera();
camera.transform.RotateModel(new Vector3(1, 0, 0), 0.2f * PI);
camera.transform.TranslateModel(new Vector3(0, 0, -20));
// setup lights
var light = new Light();
var light2 = new Light();
light2.transform.TranslateModel(new Vector3(0, 5, 9));
light.transform.TranslateModel(new Vector3(-12, 10, 0));
light.color = new Vector3(.9f, .2f, .1f);
light2.color = new Vector3(1f);
light.intensity = 200f;
light2.intensity = 50f;
// add scenegraphobjects to scenegraph
sceneGraph.Add(floor);
sceneGraph.Add(teapot);
sceneGraph.Add(camera);
sceneGraph.Add(light);
sceneGraph.Add(light2);
}
// initialize
public void Init()
{
cam = new Camera();
// create shaders
shader = new Shader("../../shaders/vs.glsl", "../../shaders/fs.glsl");
postproc = new Shader("../../shaders/vs_post.glsl", "../../shaders/fs_post.glsl");
colorCube = new Texture3d("../../assets/ColorLookupTexture.jpg");
// load a texture
Texture wood = new Texture("../../assets/wood.jpg");
// create the render target
Mesh teapot = new Mesh("../../assets/teapot.obj") { texture = wood };
scene = new SceneGraph();
Node bigteapot = new Node()
{
mesh = teapot,
localTranslate = new Vector3(0, -4, -15),
localRotate = new Vector3(0, 1, 0)
};
Node babyTeapot = new Node() {
mesh = teapot,
localTranslate = new Vector3(-5, 2, -7),
scale = 0.3f,
localRotate = new Vector3(0, 1, 0)
};
bigteapot.AddChild(babyTeapot);
Node world = new Node();
world.AddChild(new Node {
mesh = new Mesh("../../assets/floor.obj") { texture = wood },
localTranslate = new Vector3(0, -4, -15)
});
world.AddChild(bigteapot);
scene.world = world;
// initialize stopwatch
timer = new Stopwatch();
timer.Reset();
timer.Start();
// create the render target
target = new RenderTarget(screen.width, screen.height);
quad = new ScreenQuad();
GL.UseProgram(shader.programID);
// Ambient light
GL.Uniform3(shader.uniform_ambientLight, new Vector3(0.2f, 0.1f, 0.1f));
// A bright lamp
Light lamp = new Light(new Vector3(0f, 2f, 10f), new Vector3(10f, 10f, 8f));
GL.Uniform3(shader.lightPosition, lamp.localTranslate);
GL.Uniform3(shader.lightColor, lamp.color);
}
public List <SceneGraph> nodeChildren = new List <SceneGraph>(); // a list of children of the mesh
public SceneGraph(SceneGraph p, Mesh mesh, Texture texture)
{
nodeParent = p;
nodeMesh = mesh;
nodeTexture = texture;
if (p != null)
{
p.nodeChildren.Add(this); // if the mesh has a parent, add the mesh to the parent mesh's children list
}
}
// initialize
public void Init()
{
// load teapot
mesh = new Mesh(new Vector3(0,0,0), 1, "../../assets/teapot.obj");
floor = new Mesh(new Vector3(0, 0, 0), 1, "../../assets/floor.obj");
text = new Mesh(new Vector3(0, 10, 0), 1, "../../assets/text.obj");
// initialize stopwatch
timer = new Stopwatch();
timer.Reset();
timer.Start();
// create shaders
shader = new Shader("../../shaders/vs.glsl", "../../shaders/fs.glsl");
// load a texture
wood = new Texture("../../assets/wood.jpg");
root = new SceneGraph(new Vector3(0,1,0), 1);
root.AddChildNode(mesh);
mesh.AddChildNode(floor);
mesh.AddChildNode(text);
AddTeapots(mesh, 1);
}
public void AddTeapots(SceneGraph parent, int children)
{
int childs = children;
Mesh m1 = new Mesh(parent.pos + new Vector3(-13/childs, 0, 0), 0.5f/childs, "../../assets/teapot.obj");
Mesh m2 = new Mesh(parent.pos + new Vector3(13/childs, 0, 0), 0.5f/childs, "../../assets/teapot.obj");
Mesh m3 = new Mesh(parent.pos + new Vector3(0, 0, -13/childs), 0.5f/childs, "../../assets/teapot.obj");
Mesh m4 = new Mesh(parent.pos + new Vector3(0, 0, 13/childs), 0.5f/childs, "../../assets/teapot.obj");
parent.AddChildNode(m1);
parent.AddChildNode(m2);
parent.AddChildNode(m3);
parent.AddChildNode(m4);
if (childs < 2)
{
AddTeapots(m1, childs+1);
AddTeapots(m2, childs+1);
AddTeapots(m3, childs+1);
AddTeapots(m4, childs+1);
}
}
bool automaticRotation; // whether the scene rotates automatically or not
// initialize
public void Init()
{
acceleration = 1;
automaticRotation = false;
// load teapot
mesh = new Mesh( "../../assets/teapot.obj" );
floor = new Mesh("../../assets/floor.obj");
// initialize stopwatch
timer = new Stopwatch();
timer.Reset();
timer.Start();
// create shaders
shader = new Shader( "../../shaders/vs.glsl", "../../shaders/fs.glsl" );
// load a texture
wood = new Texture( "../../assets/wood.jpg" );
scenegraph = new SceneGraph(new SceneGraph[] { new SceneGraph(null, mesh, shader, wood) }, floor, shader, wood);
// load lights
lights = new Light[2];
lights[0] = new Light(new Vector4(4, 4, 15 ,1), new Vector4(1, 1,1 , 1), 10);
lights[1] = new Light(new Vector4(4, 4, -15, 1), new Vector4(1, 1, 1, 1), 10);
// set cam matrix and camera position
cam = Matrix4.Identity;
camera = new Vector4(0, -4, -15, 1);
}
Texture wood, jacco, white, metal, wood2, floor1, glass, ceramic; // texture to use for rendering
// initialize
public void Init()
{
// Begindirection of the camera.
camera = Matrix4.CreateFromAxisAngle(new Vector3(0, 1, 0), 0);
// create shaders
shader = new Shader("../../shaders/vs.glsl", "../../shaders/fs.glsl");
postproc = new Shader("../../shaders/vs_post.glsl", "../../shaders/fs_post.glsl");
// create the render target
target = new RenderTarget(screen.width, screen.height);
quad = new ScreenQuad();
// create the scenegraph
scenegraph = new SceneGraph(shader, postproc, target, quad);
// load the textures
jacco = new Texture("../../assets/jacco.png");
white = new Texture("../../assets/white.jpg");
wood = new Texture("../../assets/wood.jpg");
wood2 = new Texture("../../assets/wood2.jpg");
metal = new Texture("../../assets/metal.jpg");
floor1 = new Texture("../../assets/floor.jpg");
glass = new Texture("../../assets/glass.jpg");
ceramic = new Texture("../../assets/ceramic.jpg");
// load the meshes
mesh = new Mesh("../../assets/teapot.obj");
floor = new Mesh("../../assets/floor.obj");
table = new Mesh("../../assets/table.obj");
cup = new Mesh("../../assets/cup.obj");
lamp = new Mesh("../../assets/lamp.obj");
fan = new Mesh("../../assets/blades.obj");
chair = new Mesh("../../assets/chair.obj");
// Add the meshes to the scenegraph. (Mesh, relatieve positie naar parent, relatieve rotatie naar parent, Texture, size, Parent).
//parent floor
scenegraph.Add(floor, new Vector3(0, 0, 0), new Vector3(0, rotatefloor, 0), floor1, 2);
scenegraph.Add(table, new Vector3(0, 0, 0), new Vector3(0, 0, 0), wood, 0.1f, floor);
//for a nice game of beerpong
scenegraph.Add(cup, new Vector3(-2, 5, 9), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(-1, 5, 9), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(0, 5, 9), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(1, 5, 9), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(2, 5, 9), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(-1.5f, 5, 8), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(-0.5f, 5, 8), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(0.5f, 5,8), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(1.5f, 5, 8), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(1, 5, 7), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(0, 5, 7), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(-1, 5, 7), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(-0.5f, 5, 6), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(0.5f, 5, 6), Vector3.Zero, glass, 0.2f, table);
scenegraph.Add(new Mesh("../../assets/cup.obj"), new Vector3(0, 5, 5), Vector3.Zero, glass, 0.2f, table);
//what's on the other parts of the table
scenegraph.Add(lamp, new Vector3(2, 5, -5), new Vector3(0, 25, 0), metal, 1, table);
scenegraph.Add(chair, new Vector3(-5, -5, -5), new Vector3(0, 90, 0), wood2, 10, floor);
scenegraph.Add(new Mesh("../../assets/chair.obj"), new Vector3(-5, -5, 5), new Vector3(0, 90, 0), wood2, 10, floor);
scenegraph.Add(new Mesh("../../assets/chair.obj"), new Vector3(5, -5, -5), new Vector3(0, 270, 0), wood2, 10, floor);
scenegraph.Add(new Mesh("../../assets/chair.obj"), new Vector3(5, -5, 5), new Vector3(0, 270, 0), wood2, 10, floor);
// Some other objects
scenegraph.Add(fan, new Vector3(0, 30, 0), new Vector3(0, rotatefan, 0), white, 0.8f);
scenegraph.Add(mesh, new Vector3(-3, 5, -7), new Vector3(0, rotatepot, 0), ceramic, 0.25f, table);
scenegraph.Add(new Mesh("../../assets/floor.obj"), new Vector3(0, 5.75f, 0), Vector3.Zero, jacco, 0.5f, table);
// set the light
int lightID = GL.GetUniformLocation(shader.programID,"lightPos");
int colorID = GL.GetUniformLocation(shader.programID, "lightColor");
int ambientID = GL.GetUniformLocation(shader.programID, "ambientColor");
Light light = new Light(lightID, new Vector3(0, 25, 15));
GL.UseProgram(shader.programID);
GL.Uniform3(light.lightID, light.position);
GL.Uniform3(colorID, lightcolor);
GL.Uniform3(ambientID, ambient);
}
// initialize
public void Init()
{
scenegraph = new SceneGraph();
scenegraph.screen = screen;
scenegraph.Init();
}
int inputTimer = 0; // used for a small delay after input
// initialize
public void Init()
{
// load a texture
wood = new Texture("../../assets/wood.jpg");
porcelain = new Texture("../../assets/porcelain_texture.jpg");
ornate = new Texture("../../assets/ornate.jpg");
ornate2 = new Texture("../../assets/ornate2.jpg");
c = new Camera(new Vector3(0, 0, 10), new Vector3(0, 0, 1));
// load teapot
floor = new Mesh("../../assets/floor.obj");
floor.mTransform = Matrix4.CreateTranslation(new Vector3(0, 0, 0));
floorNode = new SceneGraph(null, floor, wood);
teapot = new Mesh("../../assets/teapot.obj");
teapot.mTransform = Matrix4.CreateTranslation(new Vector3(0, 0, 0));
SceneGraph teapotNode = new SceneGraph(floorNode, teapot, ornate2);
teacup = new Mesh("../../assets/Cup.obj");
teacup.mTransform = Matrix4.CreateTranslation(new Vector3(10, 0, -5));
SceneGraph teacupNode = new SceneGraph(floorNode, teacup, wood);
teacup2 = new Mesh("../../assets/Cup.obj");
teacup2.mTransform = Matrix4.CreateTranslation(new Vector3(-10, 0, 5));
SceneGraph teacup2Node = new SceneGraph(floorNode, teacup2, ornate);
teacup3 = new Mesh("../../assets/Cup.obj");
teacup3.mTransform = Matrix4.CreateTranslation(new Vector3(0, 7, 0)) * Matrix4.CreateFromAxisAngle(new Vector3(0, 1, 0), 4f);
SceneGraph teacup3Node = new SceneGraph(teacup2Node, teacup3, porcelain);
teacup4 = new Mesh("../../assets/Cup.obj");
teacup4.mTransform = Matrix4.CreateTranslation(new Vector3(0, -13, 0)) * Matrix4.CreateFromAxisAngle(new Vector3(1, 0, 0), PI);
SceneGraph teacup4Node = new SceneGraph(teapotNode, teacup4, porcelain);
// initialize stopwatch
timer = new Stopwatch();
timer.Reset();
timer.Start();
// create shaders
shader = new Shader("../../shaders/vs.glsl", "../../shaders/fs.glsl");
postproc = new Shader("../../shaders/vs_post.glsl", "../../shaders/fs_post.glsl");
// create the render target
target = new RenderTarget(screen.width, screen.height);
quad = new ScreenQuad();
// set the lights
int ambientColor = GL.GetUniformLocation(shader.programID, "ambientColor");
lights = new List<Light>();
lights.Add(new Light(new Vector3(10, 5, -10), new Vector3(1f, 1f, 1f), new Vector3(1f, 1f, 1f), "lightPos", "lightCol", "specCol", 0, shader, true));
lights.Add(new Light(new Vector3(-3, 3, 5), new Vector3(0, 1, 1), new Vector3(0.5f, 0.5f, 0.5f), "lightPos", "lightCol", "specCol", 1, shader, false));
lights.Add(new Light(new Vector3(0, 20, 14), new Vector3(0.4f, 0.4f, 0.4f), new Vector3(0.1f, 0.5f, 0.1f), "lightPos", "lightCol", "specCol", 2, shader, true));
lights.Add(new Light(new Vector3(5, 0, 0), new Vector3(0, 0, 1), new Vector3(0.1f, 0.1f, 0.1f), "lightPos", "lightCol", "specCol", 3, shader, false));
// Defining the arrays for use in the fragment shader
lightPoss = new Vector3[4];
lightCols = new Vector3[4];
specCols = new Vector3[4];
// filling the arrays so they can be used in the fragment shader
for (int i = 0; i < lights.Count; i++)
{
lightPoss[i] = lights[i].lightPosition;
lightCols[i] = lights[i].lightColor;
specCols[i] = lights[i].specularLightColor;
}
// setting the values in the fragment shader
GL.UseProgram(shader.programID);
GL.Uniform3(ambientColor, new Vector3(0.1f, 0.1f, 0.1f));
for (int i = 0; i < lights.Count; i++)
{
GL.Uniform3(lights[i].lightIDp, lightPoss[i]);
GL.Uniform3(lights[i].lightIDc, lightCols[i]);
GL.Uniform3(lights[i].lightIDs, specCols[i]);
}
}
//Add child and make this its parent
public void AddChildNode(SceneGraph child)
{
children.Add(child);
child.parent = this;
}
