/// <summary>
/// Draw the lines from the "camera"'s persepective.
/// </summary>
/// <param name="camera">The camera to use when drawing.</param>
public void DrawColorLines(Camera camera)
{
this.basicEffects.World = camera.World;
this.basicEffects.View = camera.View;
this.basicEffects.Projection = camera.Projection;
this.basicEffects.TextureEnabled = false;
this.basicEffects.VertexColorEnabled = true;
foreach (EffectPass pass in this.basicEffects.CurrentTechnique.Passes)
{
pass.Apply();
this.GraphicsDevice.DrawUserPrimitives<VertexPositionColor>(PrimitiveType.LineStrip, this.whiteLinesVertexPositionColor, 0, 36); // Draw the 1st inner line
this.GraphicsDevice.DrawUserPrimitives<VertexPositionColor>(PrimitiveType.LineStrip, this.whiteLinesVertexPositionColor, 37, 36); // Draw the 2nd inner line
this.GraphicsDevice.DrawUserPrimitives<VertexPositionColor>(PrimitiveType.LineStrip, this.whiteLinesVertexPositionColor, 37 * 2, 36); // Draw the outerline
this.GraphicsDevice.DrawUserPrimitives<VertexPositionColor>(PrimitiveType.LineStrip, this.whiteLinesVertexPositionColor, 37 * 3, 36); // Draw the 2nd outerline
}
}
/// <summary>
/// Allows the game component to perform any initialization it needs to before starting
/// to run. This is where it can query for any required services and load content.
/// </summary>
public override void Initialize()
{
// Create a new SpriteBatch, which can be used to draw 2D textures.
this.spriteBatch = new SpriteBatch(Game.GraphicsDevice);
this.houghInfo = this.imageAnalysis.GetHoughInfo();
this.arial = Game.Content.Load<SpriteFont>("Arial"); // Load the font
// Camera needed for the analysis picture
int xposition = this.screenHeight * 50 / 100;
int yposition = this.screenWidth * 50 / 100;
this.camera = new Camera(Game, new Vector3(yposition, xposition, -590), new Vector3(yposition, xposition, 0), -Vector3.UnitY, true); // Unit x for updirection
this.Game.Components.Add(this.camera);
this.vertexIndex = new int[this.screenHeight * this.screenWidth * 2];
this.LoadVertexArray(); // Loads the vertexs needed to draw the analysis triangles
this.vertexArray2 = new VertexPositionColor[65535]; // The vertex array for the analysis triangles , the largest this could be is 65535 = 16 bit
for (int i = 0; i < 65535; i++)
{
this.vertexArray2[i] = new VertexPositionColor(Vector3.UnitX, Color.Blue);
}
base.Initialize();
}
/// <summary>
/// Draw the grass or ground from "camera"'s perspective
/// </summary>
/// <param name="camera">The camera to use when drawing.</param>
public void DrawGrass(Camera camera)
{
this.basicEffects.World = camera.World;
this.basicEffects.View = camera.View;
this.basicEffects.Projection = camera.Projection;
this.basicEffects.VertexColorEnabled = false;
this.basicEffects.Texture = this.largeGrass;
this.basicEffects.TextureEnabled = true; // Because the ground is a texture object.
foreach (EffectPass pass in this.basicEffects.CurrentTechnique.Passes)
{
pass.Apply();
GraphicsDevice.DrawUserPrimitives<VertexPositionTexture>(PrimitiveType.TriangleStrip, this.grassAndGroundVertexPositionColor, 0, 2);
}
}