Method StartPixelPan

src/game_player.cpp:800–851

}

void Game_Player::StartPixelPan(int h, int v, int speed, bool interpolated, bool centered, bool relative) {
	if (!Player::IsPatchManiac()) {
		return;
	}

	h *= TILE_SIZE;
	v *= TILE_SIZE;

	maniac_pan_current_x = static_cast<double>(data()->pan_current_x);
	maniac_pan_current_y = static_cast<double>(data()->pan_current_y);

	int new_pan_x;
	int new_pan_y;

	if (relative && centered) {
		int screen_width = static_cast<int>(std::ceil(static_cast<float>(Player::screen_width) / 2)) * TILE_SIZE;
		int screen_height = static_cast<int>(std::ceil(static_cast<float>(Player::screen_height) / 2)) * TILE_SIZE;
		new_pan_x = data()->pan_finish_x - (h - screen_width) * 0.5;
		new_pan_y = data()->pan_finish_y - (v - screen_height) * 0.5;
	} else if (relative) {
		new_pan_x = data()->pan_finish_x - h;
		new_pan_y = data()->pan_finish_y - v;
	} else if (centered) {
		new_pan_x = GetSpriteX() + GetDefaultPanX() - h;
		new_pan_y = GetSpriteY() + GetDefaultPanY() - v;
	} else {
		new_pan_x = GetSpriteX() - h;
		new_pan_y = GetSpriteY() - v;
	}

	double h_speed;
	double v_speed;

	if (speed == 0) {
		// Instant pan if speed is zero
		h_speed = std::abs((static_cast<double>(new_pan_x) - maniac_pan_current_x));
		v_speed = std::abs((static_cast<double>(new_pan_y) - maniac_pan_current_y));
	} else if (interpolated) {
		// Interpolate distance by number of frames
		h_speed = std::abs((static_cast<double>(new_pan_x) - maniac_pan_current_x)) / (speed + 1);
		v_speed = std::abs((static_cast<double>(new_pan_y) - maniac_pan_current_y)) / (speed + 1);
	} else {
		// Multiply speed by 0.001
		h_speed = std::max(static_cast<double>(speed * TILE_SIZE * 0.001), 1.0);
		v_speed = std::max(static_cast<double>(speed * TILE_SIZE * 0.001), 1.0);
	}

	data()->pan_finish_x = new_pan_x;
	data()->pan_finish_y = new_pan_y;
	data()->maniac_horizontal_pan_speed = h_speed;
	data()->maniac_vertical_pan_speed = v_speed;
}

void Game_Player::ResetPan(int speed) {
	data()->pan_finish_x = GetDefaultPanX();