我正在尝试在 SKScene 上绘制一些三角函数。我正在为屏幕中的每个点使用 SKShapeNode,因此当它到达左侧时,我会从父级中删除 if。
问题是,由于某种原因,它只在屏幕的一部分上绘制,就好像它被一个较小的视图包含一样。屏幕上的位置与真实屏幕不匹配......例如,如果我把它放在 100它实际上在一个不同的地方..加上它绘制的区域的大小减小了......
底部有一些代码
我希望有人能帮助我!非常感谢!
任何其他可能有助于询问的问题,我会重新编辑帖子。
谢谢!
这是一些代码:
- (void) createTrigonometricFunction
{
[self calculateFunction];
CGMutablePathRef pathToDraw = CGPathCreateMutable();
CGPathMoveToPoint(pathToDraw, NULL, groundOriginLocation.x,groundOriginLocation.y + groundPointPrevious.y);
CGPathAddLineToPoint(pathToDraw, NULL, groundOriginLocation.x + 1,groundOriginLocation.y + groundPointCurrent.y);
SKShapeNode * currentLine = [SKShapeNode node];
currentLine.position = CGPointMake(groundOriginLocation.x,groundOriginLocation.y);
currentLine.path = pathToDraw;
CGPathRelease(pathToDraw);
[currentLine setStrokeColor:[UIColor whiteColor]];
currentLine.name = @"terrainLine";
currentLine.lineWidth = 1;
[currentScene addChild: currentLine];
groundPointPrevious = groundPointCurrent;
//NSLog(@"%f - %f",currentLine.position.x,currentLine.position.y);
}
- (void) calculateFunction
{
groundDominio += 1;
groundPointCurrent.x = groundOriginLocation.x;
groundPointCurrent.y = 2*(sin(degreesToRadian(groundDominio)*2)/5*degreesToRadian(180))*cos(degreesToRadian(150) + degreesToRadian(groundDominio)*5)*sin(degreesToRadian(groundPointCurrent.x));
groundPointCurrent.y = radianToDegrees(groundPointCurrent.y);
}
//The view controller:: (This is how I load it)
- (void)viewDidLoad
{
[super viewDidLoad];
// Configure the view.
SKView * skView = (SKView *)self.view;
//skView.showsFPS = YES;
skView.showsNodeCount = YES;
// Create and configure the scene.
SKScene * scene = [MainGame sceneWithSize: skView.bounds.size];
//scene.scaleMode = SKSceneScaleModeAspectFill;
NSLog(@"%f $$ %f",self.view.frame.size.height,self.view.frame.size.width);
// Present the scene.
[skView presentScene:scene];
}