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我正在用 Java 制作平铺（平铺大小为 16 像素）级别的滚动游戏。现在我正在处理照明系统。我用这个代码为每个光（黄色块和瓷砖）计算了光梯度（如图所示）：

visMap = new int[level.getWidth() * level.getHeight()];

    int lighted = 0;

    for (int x = 0; x < level.getWidth(); x++) {
        for (int y = 0; y < level.getHeight(); y++) {
            double xd = (this.x >> 4) - x;
            double yd = (this.y >> 4) - y;

            double distance = Math.sqrt(xd * xd + yd * yd);

            double p = power * 1.0;
            double bright = p - distance;

            visMap[x + y * level.getWidth()] = (int) (bright * power);
        }
    }

现在我正试图让方块以某种方式阻挡光线（就像在现实生活中一样）。有什么好的方法吗？提前致谢， Zaplik

图片：点击

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1 回答 1

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Spread light recursively. Decrease with each level of recursion the light intensity with the appropriated amount. Keep also track of the direction light is moving. Once you hit an obstacle, stop that branch of the recursion.

于 2012-12-06T20:44:17.200 回答