使用ccTouchesMoved方法移动CCCamera？ （cocos2d，iphone） [英] Move CCCamera with the ccTouchesMoved method? (cocos2d,iphone)

问题描述

所以我得到这个工作：

   - （void）ccTouchesMoved：（NSSet *）touches withEvent：（UIEvent *） event 
 {
 UITouch * myTouch = [touches anyObject]; 
 CGPoint location = [myTouch locationInView：[myTouch view]]; 
 location = [[CCDirector sharedDirector] convertToGL：location]; 
 
（UITouch * touch in touches）{
 CGPoint touchLocation = [touch locationInView：[touch view]]; 
 CGPoint prevLocation = [touch previousLocationInView：[touch view]]; 
 
 touchLocation = [[CCDirector sharedDirector] convertToGL：touchLocation]; 
 prevLocation = [[CCDirector sharedDirector] convertToGL：prevLocation]; 
 
 CGPoint diff = ccpSub（touchLocation，prevLocation）; 
 [self setPosition：ccpAdd（self.position，diff）]; 
} 
} 
  

我可以用手指移动图层移动cccamera但我没有cccamera的任何经验。

任何人都可以帮助我？

非常感谢
有一个愉快的一天

：）

解决方案>

这是我正在使用...这个移动相机的实现是我在cocos2d论坛上发现的。

   - （void）ccTouchesMoved：（NSSet *）touches withEvent：（UIEvent *）event 
 {
 UITouch * myTouch = [touches anyObject]; 
 CGPoint location = [myTouch locationInView：[myTouch view]]; 
 location = [[CCDirector sharedDirector] convertToGL：location]; 
 
（UITouch * touch in touches）{
 CGPoint touchLocation = [touch locationInView：[touch view]]; 
 CGPoint prevLocation = [touch previousLocationInView：[touch view]]; 
 
 touchLocation = [[CCDirector sharedDirector] convertToGL：touchLocation]; 
 prevLocation = [[CCDirector sharedDirector] convertToGL：prevLocation]; 
 
 CGPoint diff = ccpSub（touchLocation，prevLocation）; 
 [self setPosition：ccpAdd（self.position，diff）]; 
 
 //获取摄像机的当前值。 
 float centerX，centerY，centerZ; 
 float eyeX，eyeY，eyeZ; 
 [self.camera centerX：& centerX centerY：& centerY centerZ：& centerZ]; 
 [self.camera eyeX：& eyeX eyeY：& eyeY eyeZ：& eyeZ]; 
 
 //根据当前缩放系数增加平移值。 
 diff.x = 2 * diff.x *（1+（eyeZ / 832））; 
 diff.y = 2 * diff.y *（1+（eyeZ / 832））; 
 
 //舍入值以避免子像素化。 
 int newX = centerX-round（diff.x）; 
 int newY = centerY-round（diff.y）; 
 
 //设置值。 
 [self.camera setCenterX：newX centerY：newY centerZ：0]; 
 [self.camera setEyeX：newX eyeY：newY eyeZ：eyeZ]; 
} 
} 
  

so I got this working:

-(void) ccTouchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
    UITouch *myTouch = [touches anyObject];
    CGPoint location = [myTouch locationInView:[myTouch view]];
    location = [[CCDirector sharedDirector] convertToGL:location];

        for( UITouch *touch in touches ) {
            CGPoint touchLocation = [touch locationInView: [touch view]];   
            CGPoint prevLocation = [touch previousLocationInView: [touch view]];    

            touchLocation = [[CCDirector sharedDirector] convertToGL: touchLocation];
            prevLocation = [[CCDirector sharedDirector] convertToGL: prevLocation];

            CGPoint diff = ccpSub(touchLocation,prevLocation);
            [self setPosition: ccpAdd(self.position, diff)];
        }
}

I can move the layer with my finger BUT i want to move the cccamera but i don't have any experience with cccamera.

Can anyone help me?

Thank you very much Have a nice day

:)

解决方案

Here's what I'm using... this implementation of moving the camera is something I found on the cocos2d forums.

-(void) ccTouchesMoved:(NSSet *)touches withEvent:(UIEvent *)event
{
    UITouch *myTouch = [touches anyObject];
    CGPoint location = [myTouch locationInView:[myTouch view]];
    location = [[CCDirector sharedDirector] convertToGL:location];

    for( UITouch *touch in touches ) {
        CGPoint touchLocation = [touch locationInView: [touch view]];   
        CGPoint prevLocation = [touch previousLocationInView: [touch view]];    

        touchLocation = [[CCDirector sharedDirector] convertToGL: touchLocation];
        prevLocation = [[CCDirector sharedDirector] convertToGL: prevLocation];

        CGPoint diff = ccpSub(touchLocation,prevLocation);
        [self setPosition: ccpAdd(self.position, diff)];

        // Get the camera's current values.
        float centerX, centerY, centerZ;
        float eyeX, eyeY, eyeZ;
        [self.camera centerX:&centerX centerY:&centerY centerZ:&centerZ];
        [self.camera eyeX:&eyeX eyeY:&eyeY eyeZ:&eyeZ];

        // Increment panning value based on current zoom factor.
        diff.x = 2 * diff.x * (1+(eyeZ/832));
        diff.y = 2 * diff.y * (1+(eyeZ/832));

        // Round values to avoid subpixeling.
        int newX = centerX-round(diff.x);
        int newY = centerY-round(diff.y);

        // Set values.
        [self.camera setCenterX:newX centerY:newY centerZ:0];
        [self.camera setEyeX:newX eyeY:newY eyeZ:eyeZ];
    }
}

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