/// <summary>
/// Called when it is time to draw a frame.
/// </summary>
public override void Draw()
{
// Clears the background
Display.ClearBuffers();
// Aplly a rotation
Matrix4 mvp = Matrix4.CreateRotationY(Yaw) * ModelViewMatrix * ProjectionMatrix;
Display.Shader = Shader;
// Uniforms
Shader.SetUniform("modelview", mvp);
Shader.SetUniform("DiffuseMaterial", new float[] { 0.0f, 0.75f, 0.75f });
Shader.SetUniform("LightPosition", new float[] { 0.25f, 0.25f, -1.0f });
Shader.SetUniform("AmbientMaterial", new float[] { 0.04f, 0.04f, 0.04f });
Shader.SetUniform("SpecularMaterial", new float[] { 0.5f, 0.5f, 0.5f });
Shader.SetUniform("Shininess", 50.0f);
if (swap)
{
Torus.Draw();
}
else
{
Trefoil.Draw();
}
// Some dummy text
Sprite.Begin();
Sprite.DrawString(Font, new Vector2(50, 25), Color.White, "Here's an example of draw buffers.");
Sprite.DrawString(Font, new Vector2(50, 50), Color.White, "Press space key to swap mesh.");
Sprite.End();
}
/// <summary>
/// Called when it is time to draw a frame.
/// </summary>
public override void Draw()
{
// Clears the background
Display.ClearBuffers();
Display.Shader = SceneShader;
// Draws with the index buffer
SceneShader.SetUniform("modelview_matrix", ModelViewMatrix);
SceneShader.SetUniform("projection_matrix", ProjectionMatrix);
Vector3 Position = new Vector3(0.0f, 0.0f, -5.0f);
SceneShader.SetUniform("mvp_matrix", Matrix4.CreateTranslation(Position) * ModelViewMatrix * ProjectionMatrix);
Plane.Draw();
SceneShader.SetUniform("mvp_matrix", Matrix4.CreateRotationY(Yaw) * ModelViewMatrix * ProjectionMatrix);
Torus.Draw();
// Some dummy text
SpriteBatch.Begin();
SpriteBatch.DrawString(Font, new Vector2(10, 15), Color.White, "Here's an example of shadow mapping.");
SpriteBatch.End();
}
protected override void Draw(GameTime gameTime)
{
GraphicsDevice.Clear(SkyColor);
GraphicsDevice.BlendState = BlendState.AlphaBlend;
GraphicsDevice.DepthStencilState = DepthStencilState.Default;
GraphicsDevice.SamplerStates[0] = SamplerState.PointWrap;
if (wireframeMode)
{
RasterizerState rasterizerState = new RasterizerState();
rasterizerState.FillMode = FillMode.WireFrame;
GraphicsDevice.RasterizerState = rasterizerState;
}
else
{
GraphicsDevice.RasterizerState = RasterizerState.CullNone;
}
light.Draw(GraphicsDevice, Camera);
teapot.Draw(GraphicsDevice, Camera);
//cube.Draw(GraphicsDevice, Camera);
geomCube.Draw(GraphicsDevice, Camera);
geomCylinder.Draw(GraphicsDevice, Camera);
geomSphere.Draw(GraphicsDevice, Camera);
geomTorus.Draw(GraphicsDevice, Camera);
floor.Draw(GraphicsDevice, Camera);
DrawGrid();
DrawDebugOverlay();
Console.Draw(spriteBatch);
base.Draw(gameTime);
}
/// <summary>
/// Called when it is time to draw a frame.
/// </summary>
public override void Draw()
{
// Clears the background
Display.ClearBuffers();
Vector3 target = Vector3.Add(CameraPostion, new Vector3(0.0f, 0.0f, -1.0f));
Vector4 lightPos = new Vector4(0.0f, 1.0f, 0.0f, 0.0f);
Vector4 diffuseColor = new Vector4(0.0f, 0.0f, 1.0f, 1.0f);
// Bind the shader and the texture
Display.Shader = Shader;
Shader.SetUniform("textureUnit0", 0);
Shader.SetUniform("diffuseColor", diffuseColor);
#region Mirror
// ModelViewProjection matrix
ModelViewMatrix = Matrix4.CreateTranslation(0.0f, 1.7f, 0.0f) * Matrix4.Scale(1.0f, -1.0f, 1.0f) * Matrix4.LookAt(CameraPostion, target, Vector3.UnitY);
Matrix4 mvp = ModelViewMatrix * ProjectionMatrix;
Shader.SetUniform("mvMatrix", ModelViewMatrix);
// Tranform light position
Shader.SetUniform("lightPosition", Vector4.Transform(lightPos, ModelViewMatrix));
Display.RenderState.FrontFace = FrontFace.ClockWise;
Display.Texture = Mars;
Shader.SetUniform("mvpMatrix", Torus.Matrix * mvp);
Shader.SetUniform("color", new Vector4(1.0f, 1.0f, 1.0f, 1.0f));
Torus.Draw();
Display.Texture = Moon;
Shader.SetUniform("mvpMatrix", Matrix4.CreateTranslation(Sphere.Position) * Matrix4.CreateRotationY(Sphere.Rotation.Y) * mvp);
Sphere.Draw();
Display.RenderState.FrontFace = FrontFace.CounterClockWise;
#endregion
#region Normal view
ModelViewMatrix = Matrix4.LookAt(CameraPostion, target, Vector3.UnitY);
mvp = ModelViewMatrix * ProjectionMatrix;
// Tranform light position
Shader.SetUniform("lightPosition", Vector4.Transform(lightPos, ModelViewMatrix));
Display.RenderState.Blending = true;
Display.BlendingFunction(BlendingFactorSource.SrcAlpha, BlendingFactorDest.OneMinusSrcAlpha);
Display.Texture = Marble;
Shader.SetUniform("mvpMatrix", Floor.Matrix * mvp);
Shader.SetUniform("color", new Vector4(1.0f, 1.0f, 1.0f, 0.75f));
Floor.Draw();
Display.RenderState.Blending = false;
Shader.SetUniform("color", new Vector4(1.0f, 1.0f, 1.0f, 1.0f));
Display.Texture = Mars;
Shader.SetUniform("mvpMatrix", Torus.Matrix * mvp);
Torus.Draw();
Display.Texture = Moon;
Shader.SetUniform("mvpMatrix", Matrix4.CreateTranslation(Sphere.Position) * Matrix4.CreateRotationY(Sphere.Rotation.Y) * mvp);
Sphere.Draw();
#endregion
Batch.Begin();
Batch.DrawString(Font, new Vector2(10, 50), Color.White, "Camera position : {0}", CameraPostion.ToString());
Batch.End();
}