love2d 静态刚体移动
时间: 2023-08-16 09:06:36 浏览: 135
在Love2D中,静态刚体是不受力的,因此不能像动态刚体一样直接设置位置或速度来移动。但是可以通过移动静态刚体所在的关联图形来实现静态刚体的移动。
具体步骤如下:
1. 创建一个PhysicsWorld对象
```lua
world = love.physics.newWorld()
```
2. 创建一个静态刚体对象
```lua
body = love.physics.newBody(world, 0, 0, "static")
```
3. 创建一个形状对象并关联到刚体上
```lua
shape = love.physics.newRectangleShape(50, 50)
fixture = love.physics.newFixture(body, shape)
```
4. 设置关联图形的位置
```lua
x, y = 100, 100
shape:setPosition(x, y)
```
完整的代码示例:
```lua
-- 创建一个PhysicsWorld对象
world = love.physics.newWorld()
-- 创建一个静态刚体对象
body = love.physics.newBody(world, 0, 0, "static")
-- 创建一个矩形形状并关联到刚体上
shape = love.physics.newRectangleShape(50, 50)
fixture = love.physics.newFixture(body, shape)
function love.update(dt)
-- 更新物理世界
world:update(dt)
-- 移动关联图形
x, y = shape:getPosition()
shape:setPosition(x + 1, y + 1)
end
function love.draw()
-- 绘制关联图形
love.graphics.polygon("line", body:getWorldPoints(shape:getPoints()))
end
```
在上面的代码中,我们通过在`love.update`函数中不断改变关联图形的位置来实现静态刚体的移动。
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