public void RenderBeforeChildren(RenderEventArgs arg)
{
ICamera camera = arg.Camera;
mat4 projection = camera.GetProjectionMatrix();
mat4 view = camera.GetViewMatrix();
mat4 model = this.GetModelMatrix();
RenderMethod method = this.RenderUnit.Methods[0];
ShaderProgram program = method.Program;
program.SetUniform("MVP", projection * view * model);
if (this.RenderAsWireframe)
{
// render wireframe.
program.SetUniform("renderWireframe", true);
polygonMode.On();
polygonOffsetState.On();
method.Render();
polygonOffsetState.Off();
polygonMode.Off();
}
else
{
// render solid body.
program.SetUniform("renderWireframe", false);
method.Render();
}
}
protected override void DoRender(RenderEventArgs arg)
{
this.SetUniform("renderWireframe", false);
base.DoRender(arg);
polygonModeSwitch.On();
lineWidthSwitch.On();
// offsetSwitch.On();
this.SetUniform("renderWireframe", true);
base.DoRender(arg);
//offsetSwitch.Off();
lineWidthSwitch.Off();
polygonModeSwitch.Off();
}
public void ExtrudeShadow(ShadowVolumeExtrudeEventArgs arg)
{
ICamera camera = arg.Camera;
mat4 projection = camera.GetProjectionMatrix();
mat4 view = camera.GetViewMatrix();
mat4 model = this.GetModelMatrix();
var method = this.RenderUnit.Methods[(int)MethodName.extrudeShadow];
ShaderProgram program = method.Program;
program.SetUniform("gProjectionView", projection * view);
program.SetUniform("gWorld", model);
if (arg.Light is DirectionalLight)
{
var light = arg.Light as DirectionalLight;
program.SetUniform("gLightPos", light.Direction);
program.SetUniform("farAway", true);
}
else
{
program.SetUniform("gLightPos", arg.Light.Position);
program.SetUniform("farAway", false);
}
// light info.
directionalLight.SetBlinnPhongUniforms(program);
// material.
program.SetUniform("material.diffuse", new vec3(1, 0, 0)); //this.Color);
program.SetUniform("material.specular", new vec3(1, 0, 0)); //this.Color);
program.SetUniform("material.shiness", this.Shiness);
fillFarOffsetSwitch.On();
program.SetUniform("wireframe", false);
method.Render();
fillFarOffsetSwitch.Off();
polygonModeSwitch.On();
lineWidthSwitch.On();
program.SetUniform("wireframe", true);
method.Render();
lineWidthSwitch.Off();
polygonModeSwitch.Off();
}
public void RenderBeforeChildren(RenderEventArgs arg)
{
if (!this.IsInitialized)
{
this.Initialize();
}
this.RotationAngle += this.RotateSpeed;
ICamera camera = arg.Camera;
mat4 projection = camera.GetProjectionMatrix();
mat4 view = camera.GetViewMatrix();
mat4 model = this.GetModelMatrix();
var method = this.RenderUnit.Methods[0]; // the only render unit in this node.
ShaderProgram program = method.Program;
program.SetUniform(projectionMatrix, projection);
program.SetUniform(viewMatrix, view);
program.SetUniform(modelMatrix, model);
if (this.RenderWireframe)
{
// render wireframe.
program.SetUniform("renderWireframe", true);
polygonMode.On();
polygonOffsetState.On();
method.Render();
polygonOffsetState.Off();
polygonMode.Off();
}
if (this.RenderBody)
{
// render solid body.
program.SetUniform("renderWireframe", false);
method.Render();
}
}