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我该如何让CCTransitionPageTurn
以镜像方式将页面卷曲到当前如何实现(就像您希望翻转阿拉伯书的页面一样)。 这里是CCActionPageTurn3D
,我会在哪里翻转角度或使用(1024 - x)
? :-)Cocos2D CCTransitionPageTurn从左至右
-(void)update:(ccTime)time
{
float tt = MAX(0, time - 0.25f);
float deltaAy = (tt * tt * 500);
float ay = -100 - deltaAy;
float deltaTheta = - (float) M_PI_2 * sqrtf(time) ;
float theta = /*0.01f*/ + (float) M_PI_2 +deltaTheta;
float sinTheta = sinf(theta);
float cosTheta = cosf(theta);
for(int i = 0; i <=gridSize_.x; i++)
{
for(int j = 0; j <= gridSize_.y; j++)
{
// Get original vertex
ccVertex3F p = [self originalVertex:ccg(i,j)];
float R = sqrtf(p.x*p.x + (p.y - ay) * (p.y - ay));
float r = R * sinTheta;
float alpha = asinf(p.x/R);
float beta = alpha/sinTheta;
float cosBeta = cosf(beta);
// If beta > PI then we've wrapped around the cone
// Reduce the radius to stop these points interfering with others
if(beta <= M_PI)
p.x = (r * sinf(beta));
else
{
// Force X = 0 to stop wrapped
// points
p.x = 0;
}
p.y = (R + ay - (r*(1 - cosBeta)*sinTheta));
// We scale z here to avoid the animation being
// too much bigger than the screen due to perspectve transform
p.z = (r * (1 - cosBeta) * cosTheta)/7; // "100" didn't work for
// Stop z coord from dropping beneath underlying page in a transition
// issue #751
if(p.z<0.5f)
p.z = 0.5f;
// Set new coords
[self setVertex:ccg(i,j) vertex:p];
}
}
}
两者你找到了解决办法? – Samidjo