public override void Init()
{
//Ideas para generar el terreno para Bullet
//We are getting a llitle bit crazy xD https://es.wikipedia.org/wiki/Paraboloide
//Paraboloide Hiperbolico
// definicion matematica
//(x / a) ^ 2 - ( y / b) ^ 2 - z = 0.
//
//DirectX
//(x / a) ^ 2 - ( z / b) ^ 2 - y = 0.
//Paraboloide Circular
//definicion matematica
//(x / a) ^ 2 + ( y / b) ^ 2 - z = 0 ; a=b.
//
//DirectX
//(x / a) ^ 2 + ( z / a) ^ 2 - y = 0.
//Crear vertexBuffer
int width = 1200;
int length = 1200;
totalVertices = 2 * 3 * (width - 1) * (length - 1);
vertexBuffer = new VertexBuffer(typeof(CustomVertex.PositionTextured), totalVertices, D3DDevice.Instance.Device, Usage.Dynamic | Usage.WriteOnly, CustomVertex.PositionTextured.Format, Pool.Default);
//Almacenar informacion en VertexBuffer
//Cargar vertices
var dataIdx = 0;
var data = new CustomVertex.PositionTextured[totalVertices];
TGCVector3 center = TGCVector3.Empty;
center.X = center.X - width / 2;
center.Z = center.Z - length / 2;
int a = 64;
int size = 80;
int n = 0;
int triangles = 0;
int vertexes = 0;
for (var i = 0; i < width - 1; i = i + size)
{
for (var j = 0; j < length - 1; j = j + size)
{
//Vertices
var v1 = new TGCVector3(center.X + i, center.Y + (FastMath.Pow2((center.X + i) / a) + FastMath.Pow2((center.Z + j) / a)), center.Z + j);
var v2 = new TGCVector3(center.X + i, center.Y + (FastMath.Pow2((center.X + i) / a) + FastMath.Pow2((center.Z + j + size) / a)), center.Z + (j + size));
var v3 = new TGCVector3(center.X + (i + size), center.Y + (FastMath.Pow2((center.X + i + size) / a) + FastMath.Pow2((center.Z + j) / a)), center.Z + j);
var v4 = new TGCVector3(center.X + (i + size), center.Y + (FastMath.Pow2((center.X + i + size) / a) + FastMath.Pow2((center.Z + j + size) / a)), center.Z + (j + size));
vertexes = +vertexes + 4;
//Coordendas de textura
var t1 = TGCVector2.Zero;
var t2 = new TGCVector2(0, 1);
var t3 = new TGCVector2(1, 0);
var t4 = TGCVector2.One;
//Cargar triangulo 1
data[dataIdx] = new CustomVertex.PositionTextured(v1, t1.X, t1.Y);
data[dataIdx + 1] = new CustomVertex.PositionTextured(v2, t2.X, t2.Y);
data[dataIdx + 2] = new CustomVertex.PositionTextured(v4, t4.X, t4.Y);
triangles++;
//Cargar triangulo 2
data[dataIdx + 3] = new CustomVertex.PositionTextured(v1, t1.X, t1.Y);
data[dataIdx + 4] = new CustomVertex.PositionTextured(v4, t4.X, t4.Y);
data[dataIdx + 5] = new CustomVertex.PositionTextured(v3, t3.X, t3.Y);
triangles++;
dataIdx += 6;
n++;
}
}
vertexBuffer.SetData(data, 0, LockFlags.None);
//Rotar e invertir textura
var b = (Bitmap)Image.FromFile(MediaDir + "Texturas/pasto.jpg");
b.RotateFlip(RotateFlipType.Rotate90FlipX);
terrainTexture = Texture.FromBitmap(D3DDevice.Instance.Device, b, Usage.AutoGenerateMipMap, Pool.Managed);
//Shader
effect = TGCShaders.Instance.VariosShader;
technique = TGCShaders.T_POSITION_TEXTURED;
physicsExample = new TrianglePhysics();
physicsExample.SetTriangleDataVB(data);
physicsExample.Init(MediaDir);
UserVars.addVar("Tgccito_Position");
Camera = new TgcRotationalCamera(new TGCVector3(0, 200, 0), 800, Input);
}
