public void processKeyboard() {
if (isKeyDown(GLFW_KEY_W)) position = position.add(getLookVector());
if (isKeyDown(GLFW_KEY_S)) position = position.add(getLookVector().negate());
if (isKeyDown(GLFW_KEY_A)) position = position.add(getLookVector().cross(new Vec3(0, 1, 0)));
if (isKeyDown(GLFW_KEY_D))
position = position.add(getLookVector().cross(new Vec3(0, 1, 0).negate()));
if (isKeyDown(GLFW_KEY_LEFT_SHIFT)) position.y += speed;
if (isKeyDown(GLFW_KEY_SPACE)) position.y -= speed;
}
private Vec3 getLookVector() {
Vec3 vec =
Vec3.fromAngles((float) Math.toRadians(pitch), (float) Math.toRadians(yaw)).scale(speed);
return vec;
}