public override void DestroyScene()
{
base.DestroyScene();
// free up the pointer before we shut down OGRE
patch.Dispose();
patch = null;
}
// Just override the mandatory create scene method
public override void CreateScene()
{
// Set ambient light
sceneMgr.AmbientLight = new ColourValue(0.2f, 0.2f, 0.2f);
// Create a point light
Light l = sceneMgr.CreateLight("MainLight");
// Accept default settings: point light, white diffuse, just set position
// NB I could attach the light to a SceneNode if I wanted it to move automatically with
// other objects, but I don't
l.Type = Light.LightTypes.LT_DIRECTIONAL;
l.SetDirection(-0.5f, -0.5f, 0);
// Create patch
patchDecl = HardwareBufferManager.Singleton.CreateVertexDeclaration();
patchDecl.AddElement(0, 0, VertexElementType.VET_FLOAT3, VertexElementSemantic.VES_POSITION);
patchDecl.AddElement(0, sizeof(float)*3, VertexElementType.VET_FLOAT3, VertexElementSemantic.VES_NORMAL);
patchDecl.AddElement(0, sizeof(float)*6, VertexElementType.VET_FLOAT2, VertexElementSemantic.VES_TEXTURE_COORDINATES, 0);
// Make a 3x3 patch for test
patchCtlPoints = new PatchVertex[9];
// Patch data
patchCtlPoints[0] = new PatchVertex();
patchCtlPoints[0].x = -500.0f; patchCtlPoints[0].y = 200.0f; patchCtlPoints[0].z = -500.0f;
patchCtlPoints[0].nx = -0.5f; patchCtlPoints[0].ny = 0.5f; patchCtlPoints[0].nz = 0.0f;
patchCtlPoints[0].u = 0.0f; patchCtlPoints[0].v = 0.0f;
patchCtlPoints[1] = new PatchVertex();
patchCtlPoints[1].x = 0.0f; patchCtlPoints[1].y = 500.0f; patchCtlPoints[1].z = -750.0f;
patchCtlPoints[1].nx = 0.0f; patchCtlPoints[1].ny = 0.5f; patchCtlPoints[1].nz = 0.0f;
patchCtlPoints[1].u = 0.5f; patchCtlPoints[1].v = 0.0f;
patchCtlPoints[2] = new PatchVertex();
patchCtlPoints[2].x = 500.0f; patchCtlPoints[2].y = 1000.0f; patchCtlPoints[2].z = -500.0f;
patchCtlPoints[2].nx = 0.5f; patchCtlPoints[2].ny = 0.5f; patchCtlPoints[2].nz = 0.0f;
patchCtlPoints[2].u = 1.0f; patchCtlPoints[2].v = 0.0f;
patchCtlPoints[3] = new PatchVertex();
patchCtlPoints[3].x = -500.0f; patchCtlPoints[3].y = 0.0f; patchCtlPoints[3].z = 0.0f;
patchCtlPoints[3].nx = -0.5f; patchCtlPoints[3].ny = 0.5f; patchCtlPoints[3].nz = 0.0f;
patchCtlPoints[3].u = 0.0f; patchCtlPoints[3].v = 0.5f;
patchCtlPoints[4] = new PatchVertex();
patchCtlPoints[4].x = 0.0f; patchCtlPoints[4].y = 500.0f; patchCtlPoints[4].z = 0.0f;
patchCtlPoints[4].nx = 0.0f; patchCtlPoints[4].ny = 0.5f; patchCtlPoints[4].nz = 0.0f;
patchCtlPoints[4].u = 0.5f; patchCtlPoints[4].v = 0.5f;
patchCtlPoints[5] = new PatchVertex();
patchCtlPoints[5].x = 500.0f; patchCtlPoints[5].y = -50.0f; patchCtlPoints[5].z = 0.0f;
patchCtlPoints[5].nx = 0.5f; patchCtlPoints[5].ny = 0.5f; patchCtlPoints[5].nz = 0.0f;
patchCtlPoints[5].u = 1.0f; patchCtlPoints[5].v = 0.5f;
patchCtlPoints[6] = new PatchVertex();
patchCtlPoints[6].x = -500.0f; patchCtlPoints[6].y = 0.0f; patchCtlPoints[6].z = 500.0f;
patchCtlPoints[6].nx = -0.5f; patchCtlPoints[6].ny = 0.5f; patchCtlPoints[6].nz = 0.0f;
patchCtlPoints[6].u = 0.0f; patchCtlPoints[6].v = 1.0f;
patchCtlPoints[7] = new PatchVertex();
patchCtlPoints[7].x = 0.0f; patchCtlPoints[7].y = 500.0f; patchCtlPoints[7].z = 500.0f;
patchCtlPoints[7].nx = 0.0f; patchCtlPoints[7].ny = 0.5f; patchCtlPoints[7].nz = 0.0f;
patchCtlPoints[7].u = 0.5f; patchCtlPoints[7].v = 1.0f;
patchCtlPoints[8] = new PatchVertex();
patchCtlPoints[8].x = 500.0f; patchCtlPoints[8].y = 200.0f; patchCtlPoints[8].z = 800.0f;
patchCtlPoints[8].nx = 0.5f; patchCtlPoints[8].ny = 0.5f; patchCtlPoints[8].nz = 0.0f;
patchCtlPoints[8].u = 1.0f; patchCtlPoints[8].v = 1.0f;
patch = MeshManager.Singleton.CreateBezierPatch(
"Bezier1", ResourceGroupManager.DEFAULT_RESOURCE_GROUP_NAME,
patchCtlPoints, patchDecl,
3, 3, 5, 5, PatchSurface.VisibleSide.VS_BOTH,
HardwareVertexBuffer.Usage.HBU_STATIC_WRITE_ONLY,
HardwareIndexBuffer.Usage.HBU_DYNAMIC_WRITE_ONLY,
true,
true);
// Start patch at 0 detail
patch.SetSubdivision(0.0f);
// Create entity based on patch
Entity patchEntity = sceneMgr.CreateEntity("Entity1", "Bezier1");
MaterialPtr pMat = MaterialManager.Singleton.Create("TextMat",
ResourceGroupManager.DEFAULT_RESOURCE_GROUP_NAME);
pMat.GetTechnique(0).GetPass(0).CreateTextureUnitState( "BumpyMetal.jpg" );
patchEntity.SetMaterialName("TextMat");
patchPass = pMat.GetTechnique(0).GetPass(0);
// Attach the entity to the root of the scene
sceneMgr.RootSceneNode.AttachObject(patchEntity);
camera.SetPosition(500,500, 1500);
camera.LookAt(0,200,-300);
}
public override void DestroyScene()
{
base.DestroyScene();
// free up the pointer before we shut down OGRE
patch.Dispose();
patch = null;
}
// Just override the mandatory create scene method
public override void CreateScene()
{
// Set ambient light
sceneMgr.AmbientLight = new ColourValue(0.2f, 0.2f, 0.2f);
// Create a point light
Light l = sceneMgr.CreateLight("MainLight");
// Accept default settings: point light, white diffuse, just set position
// NB I could attach the light to a SceneNode if I wanted it to move automatically with
// other objects, but I don't
l.Type = Light.LightTypes.LT_DIRECTIONAL;
l.SetDirection(-0.5f, -0.5f, 0);
// Create patch
patchDecl = HardwareBufferManager.Singleton.CreateVertexDeclaration();
patchDecl.AddElement(0, 0, VertexElementType.VET_FLOAT3, VertexElementSemantic.VES_POSITION);
patchDecl.AddElement(0, sizeof(float) * 3, VertexElementType.VET_FLOAT3, VertexElementSemantic.VES_NORMAL);
patchDecl.AddElement(0, sizeof(float) * 6, VertexElementType.VET_FLOAT2, VertexElementSemantic.VES_TEXTURE_COORDINATES, 0);
// Make a 3x3 patch for test
patchCtlPoints = new PatchVertex[9];
// Patch data
patchCtlPoints[0] = new PatchVertex();
patchCtlPoints[0].x = -500.0f; patchCtlPoints[0].y = 200.0f; patchCtlPoints[0].z = -500.0f;
patchCtlPoints[0].nx = -0.5f; patchCtlPoints[0].ny = 0.5f; patchCtlPoints[0].nz = 0.0f;
patchCtlPoints[0].u = 0.0f; patchCtlPoints[0].v = 0.0f;
patchCtlPoints[1] = new PatchVertex();
patchCtlPoints[1].x = 0.0f; patchCtlPoints[1].y = 500.0f; patchCtlPoints[1].z = -750.0f;
patchCtlPoints[1].nx = 0.0f; patchCtlPoints[1].ny = 0.5f; patchCtlPoints[1].nz = 0.0f;
patchCtlPoints[1].u = 0.5f; patchCtlPoints[1].v = 0.0f;
patchCtlPoints[2] = new PatchVertex();
patchCtlPoints[2].x = 500.0f; patchCtlPoints[2].y = 1000.0f; patchCtlPoints[2].z = -500.0f;
patchCtlPoints[2].nx = 0.5f; patchCtlPoints[2].ny = 0.5f; patchCtlPoints[2].nz = 0.0f;
patchCtlPoints[2].u = 1.0f; patchCtlPoints[2].v = 0.0f;
patchCtlPoints[3] = new PatchVertex();
patchCtlPoints[3].x = -500.0f; patchCtlPoints[3].y = 0.0f; patchCtlPoints[3].z = 0.0f;
patchCtlPoints[3].nx = -0.5f; patchCtlPoints[3].ny = 0.5f; patchCtlPoints[3].nz = 0.0f;
patchCtlPoints[3].u = 0.0f; patchCtlPoints[3].v = 0.5f;
patchCtlPoints[4] = new PatchVertex();
patchCtlPoints[4].x = 0.0f; patchCtlPoints[4].y = 500.0f; patchCtlPoints[4].z = 0.0f;
patchCtlPoints[4].nx = 0.0f; patchCtlPoints[4].ny = 0.5f; patchCtlPoints[4].nz = 0.0f;
patchCtlPoints[4].u = 0.5f; patchCtlPoints[4].v = 0.5f;
patchCtlPoints[5] = new PatchVertex();
patchCtlPoints[5].x = 500.0f; patchCtlPoints[5].y = -50.0f; patchCtlPoints[5].z = 0.0f;
patchCtlPoints[5].nx = 0.5f; patchCtlPoints[5].ny = 0.5f; patchCtlPoints[5].nz = 0.0f;
patchCtlPoints[5].u = 1.0f; patchCtlPoints[5].v = 0.5f;
patchCtlPoints[6] = new PatchVertex();
patchCtlPoints[6].x = -500.0f; patchCtlPoints[6].y = 0.0f; patchCtlPoints[6].z = 500.0f;
patchCtlPoints[6].nx = -0.5f; patchCtlPoints[6].ny = 0.5f; patchCtlPoints[6].nz = 0.0f;
patchCtlPoints[6].u = 0.0f; patchCtlPoints[6].v = 1.0f;
patchCtlPoints[7] = new PatchVertex();
patchCtlPoints[7].x = 0.0f; patchCtlPoints[7].y = 500.0f; patchCtlPoints[7].z = 500.0f;
patchCtlPoints[7].nx = 0.0f; patchCtlPoints[7].ny = 0.5f; patchCtlPoints[7].nz = 0.0f;
patchCtlPoints[7].u = 0.5f; patchCtlPoints[7].v = 1.0f;
patchCtlPoints[8] = new PatchVertex();
patchCtlPoints[8].x = 500.0f; patchCtlPoints[8].y = 200.0f; patchCtlPoints[8].z = 800.0f;
patchCtlPoints[8].nx = 0.5f; patchCtlPoints[8].ny = 0.5f; patchCtlPoints[8].nz = 0.0f;
patchCtlPoints[8].u = 1.0f; patchCtlPoints[8].v = 1.0f;
patch = MeshManager.Singleton.CreateBezierPatch(
"Bezier1", ResourceGroupManager.DEFAULT_RESOURCE_GROUP_NAME,
patchCtlPoints, patchDecl,
3, 3, 5, 5, PatchSurface.VisibleSide.VS_BOTH,
HardwareVertexBuffer.Usage.HBU_STATIC_WRITE_ONLY,
HardwareIndexBuffer.Usage.HBU_DYNAMIC_WRITE_ONLY,
true,
true);
// Start patch at 0 detail
patch.SetSubdivision(0.0f);
// Create entity based on patch
Entity patchEntity = sceneMgr.CreateEntity("Entity1", "Bezier1");
MaterialPtr pMat = MaterialManager.Singleton.Create("TextMat",
ResourceGroupManager.DEFAULT_RESOURCE_GROUP_NAME);
pMat.GetTechnique(0).GetPass(0).CreateTextureUnitState("BumpyMetal.jpg");
patchEntity.SetMaterialName("TextMat");
patchPass = pMat.GetTechnique(0).GetPass(0);
// Attach the entity to the root of the scene
sceneMgr.RootSceneNode.AttachObject(patchEntity);
camera.SetPosition(500, 500, 1500);
camera.LookAt(0, 200, -300);
}