2014/10/15 下午 10:08:13

iphone Programming Glossary: endangle

Drag UIView around Shape Comprised of CGMutablePaths

http://stackoverflow.com/questions/13664615/drag-uiview-around-shape-comprised-of-cgmutablepaths

bounds offset path_ UIBezierPath bezierPath path_ addArcWithCenter topCenter radius radius startAngle M_PI_4 endAngle M_PI M_PI_4 clockwise NO path_ addArcWithCenter bottomCenter radius radius startAngle M_PI_4 endAngle M_PI M_PI_4 clockwise.. M_PI_4 endAngle M_PI M_PI_4 clockwise NO path_ addArcWithCenter bottomCenter radius radius startAngle M_PI_4 endAngle M_PI M_PI_4 clockwise YES path_ closePath Next we're going to want to compute the array of points along that path. We'll..

Find a point, a given distance, along a simple cubic bezier curve. (On an iPhone!)

http://stackoverflow.com/questions/4058979/find-a-point-a-given-distance-along-a-simple-cubic-bezier-curve-on-an-iphone

Find the tangent of a point on a cubic bezier curve (on an iPhone)

http://stackoverflow.com/questions/4089443/find-the-tangent-of-a-point-on-a-cubic-bezier-curve-on-an-iphone

that point to indicate it... UIBezierPath pointPath UIBezierPath bezierPathWithArcCenter point radius 5 startAngle 0 endAngle 2 M_PI clockwise YES pointPath stroke now find the tangent if someone on stackoverflow knows how CGPoint vel CGPointMake..

Rotate a Sprite on a bezier path with touch - Cocos2D/Box2D

http://stackoverflow.com/questions/7494795/rotate-a-sprite-on-a-bezier-path-with-touch-cocos2d-box2d

objects that represent bezier curves which approximate the circular arc centered at the origin. @param startAngle to endAngle radians with the specified radius. NSArray createArcWithRadius float radius_ withStartAngle float startAngle_ withEndAngle.. the specified radius. NSArray createArcWithRadius float radius_ withStartAngle float startAngle_ withEndAngle float endAngle_ OMLog @ radius .2f startAngle .2f endAngle .2f radius_ startAngle_ endAngle_ normalize startAngle endAngle to 2PI 2PI float.. float radius_ withStartAngle float startAngle_ withEndAngle float endAngle_ OMLog @ radius .2f startAngle .2f endAngle .2f radius_ startAngle_ endAngle_ normalize startAngle endAngle to 2PI 2PI float twoPI M_PI 2 float startAngle startAngle_..