private static void CreateQuad(
Vector3f bl,
Vector3f tl,
Vector3f tr,
Vector3f br,
boolean back,
int width,
int height,
Vector3f color,
List<float[]> floatdata,
List<int[]> ind) {
// the positions of the actual quad
float[] positions =
new float[] {
bl.x * VOXEL_SIZE, bl.y * VOXEL_SIZE, bl.z * VOXEL_SIZE,
br.x * VOXEL_SIZE, br.y * VOXEL_SIZE, br.z * VOXEL_SIZE,
tl.x * VOXEL_SIZE, tl.y * VOXEL_SIZE, tl.z * VOXEL_SIZE,
tr.x * VOXEL_SIZE, tr.y * VOXEL_SIZE, tr.z * VOXEL_SIZE,
};
// the indices order changes if the voxel is looking backward, so
// culling don't discard it
int os = 4 * ind.size();
int[] indices =
(!back
? new int[] {2 + os, 0 + os, 1 + os, 1 + os, 3 + os, 2 + os}
: new int[] {2 + os, 3 + os, 1 + os, 1 + os, 0 + os, 2 + os});
floatdata.add(positions);
floatdata.add(
new float[] {
color.x, color.y, color.z,
color.x, color.y, color.z,
color.x, color.y, color.z,
color.x, color.y, color.z
});
ind.add(indices);
}
