protected override void OnRenderFrame(FrameEventArgs e)
{
Title = GetFps(e.Time);
t += (float)e.Time;
GL.ClearColor(0.1f, 0.1f, 0.1f, 1);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
#region Cube
lightingShader.Use();
//values
Vector3 lampPos = new Vector3((float)Math.Sin(0.5f * t), (float)Math.Cos(t), (float)Math.Sin(t));
Vector3 lightColor = new Vector3(1, 0.3f, 0.5f);
//material
containerMat.SetUniforms("material", lightingShader);
//directional light
Vector3 sunColor = Light.ColorToVector(Color4.White);
DirectionalLight sunLight = new DirectionalLight(new Vector3(-0.2f, -1.0f, -0.3f),
new Vector3(sunColor * 0.05f),
new Vector3(sunColor * 0.4f),
new Vector3(sunColor * 0.5f));
sunLight.SetUniforms("dirLight", lightingShader);
int numLights = 4;
//point lights
for (int i = 0; i < numLights; i++)
{
PointLight lamp = new PointLight(lightPos[i],
new Vector3(0.05f),
new Vector3(0.8f),
new Vector3(1.0f),
PointLight.D20);
//lamp.SetUniformsInArray(lightingShader, "pointLights", i);
}
PointLight camLight = new PointLight(cam.Position, new Vector3(0.05f), new Vector3(1), new Vector3(1.0f), PointLight.D20);
//camLight.SetUniformsInArray(lightingShader, "pointLights", 4);
//miscsss
GL.Uniform3(lightingShader.GetUniformLoc("viewPos"), cam.Position);
boxVao.Bind();
Transformation cubeTransform;
Matrix4 model;
for (int i = 0; i < 10; i++)
{
float angle = 20.0f * i;
model = Matrix4.CreateTranslation(cubePos[i]);
model *= Matrix4.CreateRotationZ(angle);
cubeTransform = new Transformation(model, cam);
cubeTransform.SetUniforms(lightingShader);
GL.DrawArrays(PrimitiveType.Triangles, 0, 36);
}
model = Matrix4.CreateScale(0.2f);
model *= Matrix4.CreateTranslation(lampPos);
cubeTransform = new Transformation(model, cam);
cubeTransform.SetUniforms(lightingShader);
GL.DrawArrays(PrimitiveType.Triangles, 0, 36);
boxVao.Unbind();
#endregion
#region Lamp
lampShader.Use();
Transformation lampTransform;
for (int i = 0; i < numLights; i++)
{
model = Matrix4.CreateScale(0.1f);
model *= Matrix4.CreateTranslation(lightPos[i]);
lampTransform = new Transformation(model, cam);
lampTransform.SetUniforms(lampShader);
lampVao.Bind();
GL.DrawArrays(PrimitiveType.Triangles, 0, 36);
lampVao.Unbind();
}
#endregion
this.SwapBuffers();
}
