This is a sample code to move a body in Box2D . First you have to make a body with variable name “moving_rec” and call the below function in a schedular at regular intervals. -(void) moveBody{ b2Vec2 force = b2Vec2(0,0); force = b2Vec2(0,3); //Giving the x an y to negative will move the body in… Read More »
Hi, Sometimes you may need to get a sprite using tag while doing a project using Cocos2D. It’s easy to get a sprite by a tag in Cocos2D, use the following code to get it. Here ‘tempSprite’ is your CCSprite and it will get the sprite with tag 7. 🙂
Hi, There may arise some situations where you need to change the z value of a particular sprite during an action in Cocos2D. So how can you do that? See the following lines of code. CCSprite *sample= [CCSprite spriteWithFile:@”trialImage.png”]; sample.position = ccp(160,240); [self addChild:sample z:1]; /* Some of your actions goes here! */ [self reorderChild:sample… Read More »
You can check it by using the TestPoint function available for the Fixtures.