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Oct 262012
Min
Sep 042012
Here is how to symbolicate iOS crash reports. Make sure the .app or .ipa and the .dSYM files are the same ones created at the time of the compilation. Step 1 If you have an .app file Place the .app file and the .dSYM file into a folder. If you have an .ipa file Rename … [READ THE FULL ARTICLE]
Apr 032012
Max Texture Size of iOS Devices When loading OpenGL textures (or sprites, sprite sheets in Cocos2d), the max size for 1024 x 1024 2048 x 2048 4096 x 4096 iPhone 2giPhone 3g iPhone 3gsiPhone 4iPad iPhone 4siPad 2iPad 3
Apr 012012
Prerequisites This is the final part to a four part series about simulating a soft body physics in Box2d. Before continuing, you should read and understand the following tutorials. 1. Quick Tip: Mixing OpenGL and Cocos2d (Triangle Fan) 2. Soft Body Physics with Box2d and Cocos2d Part 1/4 3. Soft Body Physics with Box2d and … [READ THE FULL ARTICLE]
Mar 312012
Prerequisites This is the third part to a four part series about simulating a soft body physics in Box2d. Before continuing, you should read and understand the following tutorials. 1. Quick Tip: Mixing OpenGL and Cocos2d (Triangle Fan) 2. Soft Body Physics with Box2d and Cocos2d Part 1/4 3. Soft Body Physics with Box2d and … [READ THE FULL ARTICLE]
Mar 312012
Prerequisites This is the second part to a four part series about simulating a soft body physics in Box2d. Before continuing, you should read and understand the following two tutorials. 1. Quick Tip: Mixing OpenGL and Cocos2d (Triangle Fan) 2. Soft Body Physics with Box2d and Cocos2d Part 1/4 We will be using OpenGL to … [READ THE FULL ARTICLE]
Mar 292012
Rigid Body and Soft Body Physics This is the first of a 4 part series which will show you how to simulate a simple soft body physics object in Box2d. We will be attempting to draw a fully texture mapped, squishy object. In part 1, I will be constructing the physics object. Box2d is a … [READ THE FULL ARTICLE]
Mar 232012
Cocos2d and OpenGL Cocos2d hides most of the complexities of OpenGL, but every now and then you will be forced to write some custom OpenGL code. You can override the draw method of CCNode to perform your custom OpenGL drawing. You don’t have to write the code for scaling, rotating or translating inside the draw … [READ THE FULL ARTICLE]
Nov 142011
Tip: Quick tip to swap out the image of a sprite that has already been initialized with an image. CCSprite *sprite = [CCSprite spriteWithSpriteFrameName@"oldImage.png"]; [sprite setDisplayFrame:[[CCSpriteFrameCache sharedSpriteFrameCache] spriteFrameByName:@"newImage.png"]];
Sep 132011
To Collide or Not to Collide When you create simple Box2d objects, they will collide with each other. But what if you do not want an object colliding with all other objects? What if you want certain objects colliding with only certain other objects? How do we achieve this finer grained control? Say that our … [READ THE FULL ARTICLE]