Tagged Questions

25 views

How can I test if an oriented rectangle contains another oriented rectangle?

I have the following situation: To detect whether is the red rectangle is inside orange area I use this function: - (BOOL)isTile:(CGPoint)tile insideCustomAreaMin:(CGPoint)min max:(CGPoint)max { ...
22 views

Isometric layer moving inside map

i'm created isometric map and now trying to limit layer moving. Main idea, that i have left bottom, right bottom, left top, right top points, that camera can not move outside, so player will not see ...
31 views

How to calculate positions and randoms in scene. SpriteKit [duplicate]

So here is a code : static inline CGFloat randomInRange(CGFloat low, CGFloat high) { CGFloat value = arc4random_uniform(UINT32_MAX) / (CGFloat)UINT32_MAX; return value * (high - low) +low; } ...
108 views

Designing a four-directional movement control

I'm developing an RPG for iOS. Currently, I plan my controls to look like this: So the user can interact with objects, people, etc. by tapping on the right side of the screen, and moves by swiping ...
136 views

Determining explosion radius damage - Circle to Rectangle 2D

One of the Cocos2D games I am working on has circular explosion effects. These explosion effects need to deal a percentage of their set maximum damage to all game characters (represented by ...
430 views

Missing z-axis rotation for transforming between two vectors

I'm trying to rotate a cube so that it's facing up, but am getting hung up on the final implementation details. It now reliably will rotate the x,y axis to the correct side, but the z-axis is never ...
1k views

How do I find the angle required to point to another object?

I am making an air combat game, where you can fly a ship in a 3D space. There is an opponent that flies around as well. When the opponent is not on screen, I want to display an arrow pointing in the ...