int indexCount; // counter para o numero de indices
public ClsTerreno(GraphicsDevice device, ContentManager content, ClsCamara cam)
{
// Loading das texturas
heightMap = content.Load <Texture2D>("lh3d1");
relva = content.Load <Texture2D>("sand-texture");
// set da escala para a altura do terreno
scale = 0.02f;
// inicialização do efeito a usar
effect = new BasicEffect(device); // instanciar
effect.Projection = cam.projectionMatrix; // Projection matrix será universal
effect.World = Matrix.Identity; // World Matrix representa a posição do objeto no espaço(3D)
effect.View = cam.viewMatrix; // ViewMatrix será universal
effect.VertexColorEnabled = false; // desligar as cores
effect.TextureEnabled = true; // ligar as texturas
effect.Texture = relva; // atribuir a relva como textura do terreno
effect.AmbientLightColor = new Vector3(1, 1, 1);
effect.LightingEnabled = true; // liga a iluminação
effect.DirectionalLight0.DiffuseColor = new Vector3(1, 1, 1); // a red light
effect.DirectionalLight0.Direction = new Vector3(1, 0, 0); // coming along the x-axis
effect.DirectionalLight0.SpecularColor = new Vector3(0.8f, 1f, 0.8f); // with green highlights
//effect.AmbientLightColor = new Vector3(0.5f, 0.5f, 0.5f);
//effect.EmissiveColor = new Vector3(1, 1, 0);
LoadHeightData(heightMap); // Metodo responsável pelos valores das alturas do terreno
CreateVertices(device); // Metodo responsável por criar os vértices e os respectivo buffer
CreateIndices(device); // Metodo responável por criar os indices e os respectivo buffer
}
public void Draw(GraphicsDevice device, ClsCamara cam)
{
// World Matrix
effect.View = cam.viewMatrix;
effect.Projection = cam.projectionMatrix;
//Indica o efeito para desenhar os eixos
effect.CurrentTechnique.Passes[0].Apply();
device.DrawUserPrimitives <VertexPositionColor>(PrimitiveType.LineList, vertices, 0, 3);
}
protected override void Initialize()
{
// TODO: Add your initialization logic here
graphics.PreferredBackBufferWidth = 480;
graphics.PreferredBackBufferHeight = 800;
cam = new ClsCamara(this, GraphicsDevice);
eixos = new ClsEixos(GraphicsDevice, cam);
terrain = new ClsTerreno(GraphicsDevice, Content, cam);
//StartNewRound();
tanks.Add(new ClsTank(GraphicsDevice, Content, new Vector3(64, 30, 64)));
base.Initialize();
}
public void DrawModel(ClsCamara cam)
{
// Draw the model
foreach (ModelMesh mesh in model.Meshes)
{
foreach (BasicEffect effect in mesh.Effects)
{
effect.World = boneTransforms[mesh.ParentBone.Index];
effect.View = cam.viewMatrix;
effect.Projection = cam.projectionMatrix;
effect.EnableDefaultLighting();
}
mesh.Draw();
}
}
public ClsEixos(GraphicsDevice device, ClsCamara cam)
{
// Vamos usar um efeito básico
effect = new BasicEffect(device);
worldMatrix = cam.worldMatrix;
// Calcula a aspectRatio, a view matrix e a projeção
float aspectRatio = (float)device.Viewport.Width / device.Viewport.Height;
// Matrix de view
effect.View = cam.viewMatrix;
// Matrix de perspective
effect.Projection = cam.projectionMatrix;
effect.LightingEnabled = false;
effect.VertexColorEnabled = true;
// Cria os eixos 3D
CreateGeometry();
}
public void Draw(GraphicsDevice device, ClsCamara cam)
{
// update da View e da Projection Matrix devido ao input do utilizador
effect.View = cam.viewMatrix;
effect.Projection = cam.projectionMatrix;
// definir o vertexBuffer e indexBuffer a usar;
device.SetVertexBuffer(vertexBuffer);
device.Indices = indexBuffer;
effect.Texture = relva;
effect.CurrentTechnique.Passes[0].Apply(); // apply das mudanças
for (int i = 0; i < terrainWidth - 1; i++)
{
device.DrawIndexedPrimitives(
PrimitiveType.TriangleStrip,
0, // offset dos vértices
i * 2 * terrainWidth, // offset para desenhar as 127 strips
(terrainWidth * 2) - 2); // numero de triangulos a desenhar. Largura*2 - 2 porque os dois primeiros vértices não desenham triangulo
}
}
