private void FormSphere_Load(object sender, EventArgs e)
{
// earth on a plane.
//var position = new vec3(0, -1, 0);
//var center = new vec3(0, 0, 0);
//var up = new vec3(-1, 0, 0);
var position = new vec3(5, 3, 4) * 0.3f;
var center = new vec3(0, 0, 0);
var up = new vec3(0, 1, 0);
var camera = new Camera(position, center, up, CameraType.Perspective, this.winGLCanvas1.Width, this.winGLCanvas1.Height);
Texture texture = GetTexture();
this.sphereNode = SphereNode.Create(texture);
var scene = new Scene(camera);
scene.RootNode = sphereNode;
this.scene = scene;
(new FormProperyGrid(this.sphereNode)).Show();
var list = new ActionList();
var transformAction = new TransformAction(scene);
list.Add(transformAction);
var renderAction = new RenderAction(scene);
list.Add(renderAction);
this.actionList = list;
// uncomment these lines to enable manipualter of camera!
var manipulater = new FirstPerspectiveManipulater();
manipulater.BindingMouseButtons = GLMouseButtons.Right;
manipulater.Bind(camera, this.winGLCanvas1);
}
public static SphereNode Create(Texture texture)
{
// vertex buffer and index buffer.
var model = new Sphere(1, 20, 40);
// vertex shader and fragment shader.
var vs = new VertexShader(vertexCode);
var fs = new FragmentShader(fragmentCode);
var array = new ShaderArray(vs, fs);
// which vertex buffer maps to which attribute in shader.
var map = new AttributeMap();
map.Add("inPosition", Sphere.strPosition);
map.Add("inTexCoord", Sphere.strUV);
// build a render method.
var builder = new RenderMethodBuilder(array, map);
// create node.
var node = new SphereNode(model, builder);
node.SetTexture(texture);
// initialize node.
node.Initialize();
return(node);
}
