void DrawBox(GraphicsDevice device, float bigY, float smallY, float x, float z, float size, Color c)
{
VertexPositionNormalColored[] verts = new VertexPositionNormalColored[8];
for (int i = 0; i < 8; i++)
{
verts[i] = new VertexPositionNormalColored();
verts[i].Color = c;
verts[i].Normal = Vector3.Zero;
}
verts[0].Position = new Vector3(x, smallY, z);
verts[1].Position = new Vector3(x + size, smallY, z);
verts[2].Position = new Vector3(x + size, smallY, z + size);
verts[3].Position = new Vector3(x, smallY, z + size);
verts[4].Position = new Vector3(x, bigY, z);
verts[5].Position = new Vector3(x + size, bigY, z);
verts[6].Position = new Vector3(x + size, bigY, z + size);
verts[7].Position = new Vector3(x, bigY, z + size);
int[] indices = new int[18];
indices[0] = 0;
indices[1] = 1;
indices[2] = 2;
indices[3] = 1;
indices[4] = 2;
indices[5] = 3;
indices[6] = 0;
indices[7] = 4;
indices[8] = 1;
indices[9] = 4;
indices[10] = 5;
indices[11] = 1;
indices[12] = 4;
indices[13] = 5;
indices[14] = 6;
indices[15] = 5;
indices[16] = 6;
indices[17] = 7;
device.DrawUserIndexedPrimitives(PrimitiveType.TriangleList, verts, 0, 8, indices, 0, 6);
}
void drawCameraFustrum(Camera c, GraphicsDevice d)
{
//Matrix inv = Matrix.Invert(c.view);
Matrix inv = Matrix.CreateRotationX(c.pitch);
inv = inv * Matrix.CreateRotationY(c.yaw);
inv = inv * Matrix.CreateTranslation(c.pos);
VertexPositionNormalColored[] verts = new VertexPositionNormalColored[8];
verts[0].Position = Vector3.Transform(new Vector3(-.5f, .5f * c.aspect, 1.0f), inv);
verts[1].Position = Vector3.Transform(new Vector3(.5f, .5f * c.aspect, 1.0f), inv);
verts[2].Position = Vector3.Transform(new Vector3(-.5f, -.5f * c.aspect, 1.0f), inv);
verts[3].Position = Vector3.Transform(new Vector3(.5f, -.5f * c.aspect, 1.0f), inv);
verts[4].Position = Vector3.Transform(new Vector3(-.5f * c.farPlane, .5f * c.aspect * c.farPlane, c.farPlane), inv);
verts[5].Position = Vector3.Transform(new Vector3(.5f * c.farPlane, .5f * c.aspect * c.farPlane, c.farPlane), inv);
verts[6].Position = Vector3.Transform(new Vector3(-.5f * c.farPlane, -.5f * c.aspect * c.farPlane, c.farPlane), inv);
verts[7].Position = Vector3.Transform(new Vector3(.5f * c.farPlane, -.5f * c.aspect * c.farPlane, c.farPlane), inv);
for (int i = 0; i < 8; i++)
{
verts[i].Color = Color.Black;
}
int[] indices = new int[24];
indices[0] = 0;
indices[1] = 4;
indices[2] = 6;
indices[3] = 4;
indices[4] = 6;
indices[5] = 2;
indices[6] = 0;
indices[7] = 4;
indices[8] = 5;
indices[9] = 1;
indices[10] = 5;
indices[11] = 4;
indices[12] = 5;
indices[13] = 7;
indices[14] = 1;
indices[15] = 5;
indices[16] = 7;
indices[17] = 3;
indices[18] = 2;
indices[19] = 6;
indices[20] = 3;
indices[21] = 2;
indices[22] = 7;
indices[23] = 3;
effect.Begin();
foreach (EffectPass pass in effect.CurrentTechnique.Passes)
{
pass.Begin();
device.VertexDeclaration = terrain.dec;
foreach (TerrainPatch patch in terrain.patches)
{
device.DrawUserIndexedPrimitives(PrimitiveType.TriangleList, verts, 0, 8, indices, 0, 8);
}
pass.End();
}
effect.End();
}
