protected void LoadToUniform(int location, Matrix4 value)
{
GL.UniformMatrix4(location, false, ref value);
}
public new void Active(Color4 color, Matrix4 vpMatrix)
{
Active(color, vpMatrix, _texCoordBuffer);
}
public void LoadViewMatrix(Camera camera)
{
Matrix4 viewMatrix = Util.CreateViewMatrix(camera);
LoadToUniform(handleViewMatrix, viewMatrix);
}
public void LoadProjectionMatrix(Matrix4 value)
{
LoadToUniform(handleProjectionMatrix, value);
}
public void LoadTransformationMatrix(Matrix4 value)
{
LoadToUniform(handleTransformationMatrix, value);
}
public Screen(int width, int height, string title) : base(width, height, GraphicsMode.Default, title)
{
Children = new ArrayList();
projection = Matrix4.CreateOrthographicOffCenter(0.0f, width, 0.0f, height, 0.1f, 100.0f);
}
public void OnLoad()
{
// create and fill a vertex buffer
this.vertexBuffer = new VertexBuffer <ColouredVertex>(ColouredVertex.Size);
this.vertexBuffer.AddVertex(new ColouredVertex(new Vector3(-1, -1, -1.5f), Color4.Lime));
this.vertexBuffer.AddVertex(new ColouredVertex(new Vector3(1, 1, -1.5f), Color4.Red));
this.vertexBuffer.AddVertex(new ColouredVertex(new Vector3(1, -1, -1.5f), Color4.Blue));
// load shaders
#region Shaders
var vertexShader = new Shader(ShaderType.VertexShader,
@"#version 130
// a projection transformation to apply to the vertex' position
uniform mat4 projectionMatrix;
// attributes of our vertex
in vec3 vPosition;
in vec4 vColor;
out vec4 fColor; // must match name in fragment shader
void main()
{
// gl_Position is a special variable of OpenGL that must be set
gl_Position = projectionMatrix * vec4(vPosition, 1.0);
fColor = vColor;
}"
);
var fragmentShader = new Shader(ShaderType.FragmentShader,
@"#version 130
in vec4 fColor; // must match name in vertex shader
out vec4 fragColor; // first out variable is automatically written to the screen
void main()
{
fragColor = fColor;
}"
);
#endregion
// link shaders into shader program
this.shaderProgram = new ShaderProgram(vertexShader, fragmentShader);
// create vertex array to specify vertex layout
this.vertexArray = new VertexArray <ColouredVertex>(
this.vertexBuffer, shaderProgram,
new VertexAttribute("vPosition", 3, VertexAttribPointerType.Float, ColouredVertex.Size, 0),
new VertexAttribute("vColor", 4, VertexAttribPointerType.Float, ColouredVertex.Size, 12)
);
// create projection matrix uniform
this.projectionMatrix = new Matrix4Uniform("projectionMatrix");
this.projectionMatrix.Matrix = Matrix4.CreatePerspectiveFieldOfView(
MathHelper.PiOver2, 16f / 9, 0.1f, 100f);
Player = new Player();
Player.OutPutPlayerValuesToDebugger();
//This is where you load all of your content
//Images, Models, Fonts, Sounds.
}
