protected override void OnRenderFrame(FrameEventArgs e)
{
t += (float)e.Time;
GL.ClearColor(0.1f, 0.1f, 0.1f, 1);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
Vector3 lightPos = new Vector3(0, 1, -1);
Vector3 cubePos = new Vector3(0);
Matrix4 proj = cam.Projection;
Matrix4 view = cam.View;
#region oldCube
/*
* lightingShader.Use();
* int viewPosLoc = lightingShader.GetUniformLoc("viewPos");
* GL.Uniform3(viewPosLoc, cam.Position.X, cam.Position.Y, cam.Position.Z);
*
*
* //material uniforms
* //int matAmbientLoc = lightingShader.GetUniformLoc("material.ambient");
* int matDiffuseLoc = lightingShader.GetUniformLoc("material.diffuse");
* int matSpecularLoc = lightingShader.GetUniformLoc("material.specular");
* int matShinyLoc = lightingShader.GetUniformLoc("material.shiny");
*
* diffuseMap.ActivateTextureUnit();
* diffuseMap.Bind();
* GL.Uniform1(matDiffuseLoc, diffuseMap.TextureUnitAsInt);
* GL.Uniform3(matSpecularLoc, 0.5f, 0.5f, 0.5f);
* GL.Uniform1(matShinyLoc, 32.0f);
*
*
*
*
* //light colors / intensity
* Vector3 lightColor = new Vector3(1);//new Vector3((float) Math.Sin(t + 2), (float)Math.Sin(t-0.2), (float)Math.Sin(t-1));
* Vector3 diffColor = lightColor * 0.5f;
* Vector3 ambColor = diffColor * 0.2f;
*
* //light uniforms
* int lightAmbientLoc = lightingShader.GetUniformLoc("light.ambient");
* int lightDiffuseLoc = lightingShader.GetUniformLoc("light.diffuse");
* int lightSpecularLoc = lightingShader.GetUniformLoc("light.specular");
* int lightPosLoc = lightingShader.GetUniformLoc("light.pos");
* GL.Uniform3(lightAmbientLoc, ref ambColor);
* GL.Uniform3(lightDiffuseLoc, ref diffColor);
* GL.Uniform3(lightSpecularLoc, ref lightColor);
* GL.Uniform3(lightPosLoc, ref lightPos);
*
*/
#endregion
//draw cube
lightingShader.Use();
int matDiffuseLoc = lightingShader.GetUniformLoc("material.diffuse");
int matSpecularLoc = lightingShader.GetUniformLoc("material.specular");
int matShinyLoc = lightingShader.GetUniformLoc("material.shiny");
diffuseMap.ActivateTextureUnit();
diffuseMap.Bind();
GL.Uniform1(matDiffuseLoc, diffuseMap.TextureUnitAsInt);
GL.Uniform3(matSpecularLoc, 0.5f, 0.5f, 0.5f);
GL.Uniform1(matShinyLoc, 32.0f);
//light colors / intensity
Vector3 lightColor = new Vector3(1);//new Vector3((float) Math.Sin(t + 2), (float)Math.Sin(t-0.2), (float)Math.Sin(t-1));
Vector3 diffColor = lightColor * 0.5f;
Vector3 ambColor = lightColor * 0.1f;
//light uniforms
int lightAmbientLoc = lightingShader.GetUniformLoc("light.ambient");
int lightDiffuseLoc = lightingShader.GetUniformLoc("light.diffuse");
int lightSpecularLoc = lightingShader.GetUniformLoc("light.specular");
int lightPosLoc = lightingShader.GetUniformLoc("light.pos");
GL.Uniform3(lightAmbientLoc, ref ambColor);
GL.Uniform3(lightDiffuseLoc, ref diffColor);
GL.Uniform3(lightSpecularLoc, ref lightColor);
GL.Uniform3(lightPosLoc, ref lightPos);
Matrix4 model = Matrix4.CreateTranslation(cubePos);
Transformation cubeTransformation = new Transformation(model, cam);
cubeTransformation.SetUniforms(lightingShader);
containerVao.Bind();
GL.DrawArrays(PrimitiveType.Triangles, 0, 36);
containerVao.Unbind();
//draw light
lampShader.Use();
model = Matrix4.CreateScale(0.1f);
model *= Matrix4.CreateTranslation(lightPos);
Transformation lamTransform = new Transformation(model, cam);
lamTransform.SetUniforms(lampShader);
lampVao.Bind();
GL.DrawArrays(PrimitiveType.Triangles, 0, 36);
lampVao.Unbind();
this.SwapBuffers();
base.OnRenderFrame(e);
}