Method updateView

Source/Platformer/PlatformCamera.cpp:83–113

}

void PlatformCamera::updateView() {
	if (SharedView.getSize() != _viewSize) {
		auto pos = _camPos;
		setPosition(Vec2::zero);
		_viewSize = SharedView.getSize();
		reset();
		setPosition(pos);
		_transformDirty = true;
	}
	if (_followTarget) {
		Vec2 targetPos = _followTarget->convertToWorldSpace(Vec2::zero) + _offset;
		Vec2 pos = Vec2{_position.x, _position.y};
		Vec2 delta = targetPos - pos;
		setPosition(pos + delta * _ratio);
		_transformDirty = true;
	}
	float z = -SharedView.getStandardDistance() / _zoom;
	if (_position.z != z) {
		_position.z = z;
		_transformDirty = true;
	}
	if (_transformDirty) {
		_transformDirty = false;
		Matrix rotateZ;
		bx::mtxRotateZ(rotateZ.m, -bx::toRad(_rotation));
		_up = Vec3::from(bx::mul(bx::Vec3{0, 1.0f, 0}, rotateZ.m));
		_up = Vec3::from(bx::normalize(_up));
		bx::mtxLookAt(_view.m, _position, _target, _up);
		Updated();
	}
}

bool PlatformCamera::init() {
	if (!Camera::init()) return false;