com.github.dabasan.jxm.bd1.BD1Functions Maven / Gradle / Ivy

Go to download
package com.github.dabasan.jxm.bd1;

/**
 * BD1 functions
 *
 * @author maeda6uiui
 */
class BD1Functions {
    public static int[] getFaceCorrespondingVertexIndices(int faceIndex) {
        final int[] ret = new int[4];

        switch (faceIndex) {
            case 0:
                ret[0] = 0;
                ret[1] = 1;
                ret[2] = 2;
                ret[3] = 3;
                break;
            case 1:
                ret[0] = 5;
                ret[1] = 4;
                ret[2] = 7;
                ret[3] = 6;
                break;
            case 2:
                ret[0] = 1;
                ret[1] = 0;
                ret[2] = 4;
                ret[3] = 5;
                break;
            case 3:
                ret[0] = 2;
                ret[1] = 1;
                ret[2] = 5;
                ret[3] = 6;
                break;
            case 4:
                ret[0] = 3;
                ret[1] = 2;
                ret[2] = 6;
                ret[3] = 7;
                break;
            case 5:
                ret[0] = 0;
                ret[1] = 3;
                ret[2] = 7;
                ret[3] = 4;
                break;
            default:
                for (int i = 0; i < 4; i++) {
                    ret[i] = 0;
                }
                break;
        }

        return ret;
    }

    public static int[] getFaceCorrespondingUVIndices(int faceIndex) {
        final int[] ret = new int[4];

        switch (faceIndex) {
            case 0:
                ret[0] = 3;
                ret[1] = 2;
                ret[2] = 1;
                ret[3] = 0;
                break;
            case 1:
                ret[0] = 7;
                ret[1] = 6;
                ret[2] = 5;
                ret[3] = 4;
                break;
            case 2:
                ret[0] = 9;
                ret[1] = 8;
                ret[2] = 11;
                ret[3] = 10;
                break;
            case 3:
                ret[0] = 13;
                ret[1] = 12;
                ret[2] = 15;
                ret[3] = 14;
                break;
            case 4:
                ret[0] = 17;
                ret[1] = 16;
                ret[2] = 19;
                ret[3] = 18;
                break;
            case 5:
                ret[0] = 21;
                ret[1] = 20;
                ret[2] = 23;
                ret[3] = 22;
                break;
            default:
                for (int i = 0; i < 4; i++) {
                    ret[i] = 0;
                }
                break;
        }

        return ret;
    }
}