/// <summary>
/// käytä fps kamerassa
/// </summary>
public void SetFPSCamera()
{
GLExt.LoadIdentity();
GLExt.RotateX(-Rotation.X);
GLExt.RotateY(-Rotation.Y);
GLExt.RotateZ(-Rotation.Z);
GLExt.Translate(-Position.X, -Position.Y, -Position.Z);
}
public static void Set2D(int width, int height)
{
is3D = false;
Settings.Width = width;
Settings.Height = height;
GLExt.SetProjectionMatrix(Matrix4.CreateOrthographicOffCenter(0, width, 0, height, -1, 1));
GLExt.LoadIdentity();
GL.Viewport(0, 0, width, height);
GL.Disable(EnableCap.CullFace);
GLExt.SetLighting(false);
}
/// <summary>
/// aseta texturematriisit shadowmapping shaderia varten
/// </summary>
static void SetTextureMatrix()
{
Matrix4 projMatrix = GLExt.ProjectionMatrix, modelMatrix = GLExt.ModelViewMatrix;
GLExt.MatrixMode(MatrixMode.Texture);
GLExt.LoadIdentity();
GLExt.Translate(0.5f, 0.5f, 0.5f); // remap from [-1,1]^2 to [0,1]^2
GLExt.Scale(0.5f, 0.5f, 0.5f);
GLExt.MultMatrix(ref projMatrix);
GLExt.MultMatrix(ref modelMatrix);
GLExt.MatrixMode(MatrixMode.Modelview);
}
protected void CalculatePositions()
{
CalcPositions(false);
GLExt.PushMatrix();
GLExt.LoadIdentity();
CalcPositions(true);
GLExt.PopMatrix();
MakeLists();
// järjestä läpinäkyvät listassa olevat objektit etäisyyden mukaan, kauimmaiset ekaks
transparentObjects.Sort(delegate(SortedList_Model z1, SortedList_Model z2) { return(z2.Len.CompareTo(z1.Len)); });
}
/// <summary>
/// renderoi worldin valosta päin (pelkän depthin)
/// </summary>
public static void SetupShadows(Renderable world, int lightNo, bool withParticles)
{
if (UseShadowMapping == false)
{
return;
}
if (Light.Lights.Count == 0)
{
Log.WriteLine("SetupShadows requires at least one light source!", false);
return;
}
GL.Disable(EnableCap.Blend);
GL.ColorMask(false, false, false, false);
GL.Disable(EnableCap.CullFace);
GL.PolygonOffset(1, 1);
GL.Enable(EnableCap.PolygonOffsetFill);
fbo.BindDepth();
fbo.BindFBO();
fbo.Clear();
// kuvakulma valosta päin
GLExt.LoadMatrix(ref Light.Lights[lightNo].OrigOrientationMatrix);
GLExt.Translate(-Light.Lights[lightNo].Position.X, -Light.Lights[lightNo].Position.Y, -Light.Lights[lightNo].Position.Z);
SetTextureMatrix();
Frustum.CalculateFrustum();
VBO.FastRenderPass = true;
depthShader.UseProgram();
world.Render();
if (withParticles)
{
depthShaderAlphaTest.UseProgram();
Particles.Render();
GLSLShader.UnBindShader();
}
VBO.FastRenderPass = false;
fbo.UnBindFBO();
GL.Disable(EnableCap.PolygonOffsetFill);
GL.Enable(EnableCap.CullFace);
GL.ColorMask(true, true, true, true);
GLExt.LoadIdentity();
GameClass.NumOfObjects = 0;
ShadowMapping.UnBindLightMask();
}
public static void Set3D(int width, int height, float near, float far)
{
is3D = true;
Settings.Width = width;
Settings.Height = height;
Near = near;
Far = far;
GLExt.SetProjectionMatrix(Matrix4.CreatePerspectiveFieldOfView(MathHelper.DegreesToRadians(Fov),
(float)width / (float)height, near, far));
GLExt.LoadIdentity();
GL.Viewport(0, 0, width, height);
GL.Enable(EnableCap.CullFace);
GLExt.SetLighting(true);
}