public void color(float red, float green, float blue, float alpha) {
Vec4 c = mVert.mColor;
c.x = red;
c.y = green;
c.z = blue;
c.w = alpha;
}
public void colorub(int red, int green, int blue, int alpha) {
Vec4 c = mVert.mColor;
c.x = red / 255f;
c.y = green / 255f;
c.z = blue / 255f;
c.w = alpha / 255f;
}