public Block(Model model, Vector3 position, Type type)
: base(model, position)
{
CurrentState = State.UnTouched;
Demolished = false;
BlockType = type;
switch (BlockType)
{
case Type.Glass:
Mass = 5.0f; // default
Life = 1;
break;
case Type.Wood:
Mass = 10.0f; // heavier than glass
Life = 2;
break;
case Type.Stone:
Mass = 20.0f; // heavier than wood
Life = 3;
break;
default:
break;
}
// create the cube
box = new Cube(position, new Vector3(1.0f, 1.0f, 1.0f));
triangles = new Triangle[12];
// top of the cube
triangles[0] = new Triangle(box.vertices[0], box.vertices[1], box.vertices[2]);
triangles[1] = new Triangle(box.vertices[0], box.vertices[2], box.vertices[3]);
// bottom of the cube
triangles[2] = new Triangle(box.vertices[4], box.vertices[6], box.vertices[5]);
triangles[3] = new Triangle(box.vertices[4], box.vertices[7], box.vertices[6]);
// left of the cube
triangles[4] = new Triangle(box.vertices[4], box.vertices[7], box.vertices[3]);
triangles[5] = new Triangle(box.vertices[4], box.vertices[3], box.vertices[0]);
// right of the cube
triangles[6] = new Triangle(box.vertices[5], box.vertices[6], box.vertices[2]);
triangles[7] = new Triangle(box.vertices[5], box.vertices[2], box.vertices[1]);
// front of the cube
triangles[8] = new Triangle(box.vertices[2], box.vertices[6], box.vertices[7]);
triangles[9] = new Triangle(box.vertices[2], box.vertices[7], box.vertices[3]);
// back of the cube
triangles[10] = new Triangle(box.vertices[5], box.vertices[1], box.vertices[0]);
triangles[11] = new Triangle(box.vertices[5], box.vertices[0], box.vertices[4]);
// define normals
normals = new Vector3[6];
normals[0] = Vector3.Down; // top of cube
normals[1] = Vector3.Up; // bottom of cube
normals[2] = Vector3.Right; // left of cube
normals[3] = Vector3.Left; // right of cube
normals[4] = Vector3.Forward; // front of cube
normals[5] = Vector3.Backward; // back of cube
}
// test collision between a sphere and a triangle
public static bool TestSphereTriangle(Transform sphere, Triangle triangle)
{
return TestSphereTriangle(sphere, triangle.a, triangle.b, triangle.c);
}