public Planet(Camera c, CubemapTexture elevationMap)
{
myCamera = c;
myNoiseTexture = elevationMap;
for (int i = 0; i < MAX_TRI; i++)
{
myTris.Add(new Tri());
}
myFov = MathHelper.DegreesToRadians(myCamera.fieldOfView);
mySinFov = (float)Math.Sin(myFov);
myCosFov = (float)Math.Cos(myFov);
init();
myTextureManager.init();
//setup the shader
List <ShaderDescriptor> desc = new List <ShaderDescriptor>();
desc.Add(new ShaderDescriptor(ShaderType.VertexShader, "Test IcoPlanet.shaders.draw-planet-vs.glsl"));
//desc.Add(new ShaderDescriptor(ShaderType.GeometryShader, "Test IcoPlanet.shaders.draw-planet-gs.glsl"));
desc.Add(new ShaderDescriptor(ShaderType.FragmentShader, "Test IcoPlanet.shaders.draw-planet-ps.glsl"));
ShaderProgramDescriptor sd = new ShaderProgramDescriptor(desc);
ShaderProgram shader = Renderer.resourceManager.getResource(sd) as ShaderProgram;
myRenderPlanetCommand = new StatelessDrawElementsCommand(PrimitiveType.Triangles, (int)myIndexCount, 0, IndexBufferObject.IndexBufferDatatype.UnsignedInt);
myRenderPlanetCommand.pipelineState.shaderState.shaderProgram = shader;
myRenderPlanetCommand.pipelineState.vaoState.vao = new VertexArrayObject();
myRenderPlanetCommand.pipelineState.vaoState.vao.bindVertexFormat(shader, V3F1.bindings());
myRenderPlanetCommand.pipelineState.generateId();
desc.Clear();
desc.Add(new ShaderDescriptor(ShaderType.VertexShader, "Test IcoPlanet.shaders.planet-water-vs.glsl"));
desc.Add(new ShaderDescriptor(ShaderType.FragmentShader, "Test IcoPlanet.shaders.planet-water-ps.glsl"));
sd = new ShaderProgramDescriptor(desc);
shader = Renderer.resourceManager.getResource(sd) as ShaderProgram;
myRenderWaterCommand = new StatelessDrawElementsCommand(PrimitiveType.Triangles, (int)myIndexCount, 0, IndexBufferObject.IndexBufferDatatype.UnsignedInt);
myRenderWaterCommand.pipelineState.shaderState.shaderProgram = shader;
myRenderWaterCommand.pipelineState.vaoState.vao = new VertexArrayObject();
myRenderWaterCommand.pipelineState.vaoState.vao.bindVertexFormat(shader, V3F1.bindings());
myRenderWaterCommand.pipelineState.blending.enabled = true;
myRenderWaterCommand.pipelineState.generateId();
myHeightTexture = new Texture("../data/textures/EarthLookupTable.png");
}
void subdivideTri(Tri t)
{
if (shouldSplit(t) == false)
{
return;
}
Vector3d v1, v2, v3;
Vector3d t1, t2, t3;
uint i12, i23, i31;
V3F1 v12 = new V3F1();
V3F1 v23 = new V3F1();
V3F1 v31 = new V3F1();
//get existing verts
v1 = myVerts[t.i1].Position;
v2 = myVerts[t.i2].Position;
v3 = myVerts[t.i3].Position;
//work with normalized positions
v1.Normalize();
v2.Normalize();
v3.Normalize();
//new verts between the existing verts
t1 = (v1 + v2) / 2;
t2 = (v2 + v3) / 2;
t3 = (v3 + v1) / 2;
//push out to unit sphere
t1.Normalize();
t2.Normalize();
t3.Normalize();
v12.Position = t1 * myScale;
v23.Position = t2 * myScale;
v31.Position = t3 * myScale;
//set the height
v12.Depth = (float)t.id.depth; //TextureManager.heightAt(v12.Position);
v23.Depth = (float)t.id.depth; //TextureManager.heightAt(v23.Position);
v31.Depth = (float)t.id.depth; //TmyTextureManager.heightAt(v31.Position);
//get the new vertex indexes
i12 = myVertCount++;
i23 = myVertCount++;
i31 = myVertCount++;
//add new verts to vert buffer at the new indexes
myVerts[i12] = v12;
myVerts[i23] = v23;
myVerts[i31] = v31;
//create new triangles
t.c1 = createTriangle(t, 0, i12, i23, i31);
t.c2 = createTriangle(t, 1, t.i1, i12, i31);
t.c3 = createTriangle(t, 2, i12, t.i2, i23);
t.c4 = createTriangle(t, 3, i23, t.i3, i31);
mySplitQueue.Enqueue(t.c1);
mySplitQueue.Enqueue(t.c2);
mySplitQueue.Enqueue(t.c3);
mySplitQueue.Enqueue(t.c4);
}
