/*
* Generate the planet, but do not draw the cubes at this point.
* We need generate first, so that we can see where quads need not be
* drawn, due to being next to a cube that is or will be drawn during
* the initial generation of the planet.
*/
public void BuildTheChunk()
{
for (int y = 0; y < planet.chunkSize; y++)
{
for (int z = 0; z < planet.chunkSize; z++)
{
for (int x = 0; x < planet.chunkSize; x++)
{
// generate cube - solid or space/air?
Vector3 cubePosition = new Vector3(x, y, z);
chunkData[x, y, z] = new Cube(this, x, y, z, cubePosition, chunkMaterial);
// Add the cube to a CSGCombiner node, so that we can delete the chunk's meshes in one go (not sure is this will be doable as this stage)
planetChunk.AddChild(chunkData[x, y, z].cube);
// create new cube
if (IsOuterLayer(cubePosition))
{
CubeIsSolid[x, y, z] = true;
}
else // set cube to SPACE
{
CubeIsSolid[x, y, z] = false;
}
}
}
}
}
public void CreateQuad(Vector3 vertex0, Vector3 vertex1, Vector3 vertex2, Vector3 vertex3)
{
// Generate quad mesh (2 triangles)
Vector3[] vertices = { vertex0, //top-left
vertex1, //top-right
vertex2, //bottom-left
vertex3 }; //bottom-right
int[] index = new int[6] {
0, 1, 2, 3, 2, 1
};
// UVs
Vector2[] uvs = { new Vector2(0f, 1f), //top-left
new Vector2(1f, 1f), //top-right
new Vector2(0f, 0f), //bottom-left
new Vector2(1f, 0f) }; //bottom-right
// Normals
Vector3[] normals = new Vector3[4]
{
Vector3.Up, Vector3.Up, Vector3.Up, Vector3.Up
};
Godot.Collections.Array arrays = new Godot.Collections.Array();
arrays.Resize(9);
// see
arrays[0] = vertices;
arrays[1] = normals;
arrays[4] = uvs;
arrays[8] = index;
// Create the Mesh.
// Initialize the ArrayMesh.
ArrayMesh arr_mesh = new ArrayMesh();
arr_mesh.AddSurfaceFromArrays(Mesh.PrimitiveType.Triangles, arrays);
MeshInstance quad = new MeshInstance();
quad.Mesh = arr_mesh;
quad.MaterialOverride = cubeMaterial; // apply texture - rock, dirt, grass, etc.
quad.MaterialOverride = cubeMaterial; // apply texture - rock, dirt, grass, etc.
cube.AddChild(quad); // add quad to the cube node
}