Paddle and ball movement made resolution independent

Author: Birkemose

cocos2d-demo.xcodeproj/project.xcworkspace/xcuserdata/Birkemose.xcuserdatad/UserInterfaceState.xcuserstate

@@ -10,20 +10,21 @@
 //
 // -----------------------------------------------------------------
 
-#define kGameLoadColor                  [CCColor colorWithRed:0.25 green:0.125 blue:0.0]
-#define kGameContrastColor              [CCColor colorWithRed:0.5 green:0.25 blue:0.0]
+#define kGameColor                      [CCColor orangeColor]
+#define kGameLoadSceneColor             [CCColor colorWithRed:0.25 green:0.125 blue:0.0]
+#define kGameMainSceneColor             [CCColor colorWithRed:0.5 green:0.25 blue:0.0]
 
 #define kGrossiniJumpTime               1.0
 #define kGrossiniJumps                  5
 
-#define kGamePaddleInset                90
-#define kGamePaddleTouchArea            250
+#define kGamePaddleInset                0.09
+#define kGamePaddleTouchArea            0.25
 
-#define kGamePaddleSpeed                800
-#define kGameBallSpeed                  1200
+#define kGamePaddleSpeed                1.00
+#define kGameBallSpeed                  1.50
 
-#define kGameSpinFactor                 0.25
-#define kGameSpinRandomFactor           0.15
+#define kGameSpinFactor                 190
+#define kGameSpinRandomFactor           15
 
 #define kGameSliderEndStop              15
 

templates/cocos2d iOS demo.xctemplate/Classes/GameTypes.h

@@ -35,7 +35,7 @@ - (instancetype)initWithSide:(PaddleSide)side
 
     _gameSize = [CCDirector sharedDirector].viewSize;
     _side = side;
-    float x = (side == PaddleSideLeft) ? kGamePaddleInset : _gameSize.width - kGamePaddleInset;
+    float x = (side == PaddleSideLeft) ? kGamePaddleInset * _gameSize.width : (1 - kGamePaddleInset) * _gameSize.width;
     _destination = _gameSize.height * 0.5;
     self.position = (CGPoint){x, _destination};
 
@@ -49,8 +49,8 @@ - (instancetype)initWithSide:(PaddleSide)side
 
 - (BOOL)validTouchPosition:(CGPoint)position
 {
-    if (_side == PaddleSideLeft) return (position.x < kGamePaddleTouchArea);
-    return (position.x > (_gameSize.width - kGamePaddleTouchArea));
+    if (_side == PaddleSideLeft) return (position.x < (kGamePaddleTouchArea * _gameSize.width));
+    return (position.x > ((1 - kGamePaddleTouchArea) * _gameSize.width));
 }
 
 // -----------------------------------------------------------------
@@ -69,7 +69,7 @@ - (void)update:(CCTime)delta
     // move to destination at light speed
     // calculate remaining distance and step
     float remainingDistance = fabs(self.position.y - _destination);
-    float step = kGamePaddleSpeed * delta;
+    float step = kGamePaddleSpeed * _gameSize.height * delta;
 
     if (step > remainingDistance)
     {

templates/cocos2d iOS demo.xctemplate/Classes/Paddle.m

@@ -57,14 +57,14 @@ - (instancetype)init
 
     // draw touch area markers
     CCDrawNode *drawNode = [CCDrawNode node];
-    [drawNode drawSegmentFrom:(CGPoint){kGamePaddleTouchArea, 0}
-                           to:(CGPoint){kGamePaddleTouchArea, _gameSize.height}
+    [drawNode drawSegmentFrom:(CGPoint){kGamePaddleTouchArea * _gameSize.width, 0}
+                           to:(CGPoint){kGamePaddleTouchArea * _gameSize.width, _gameSize.height}
                        radius:1.0
-                        color:[CCColor orangeColor]];
-    [drawNode drawSegmentFrom:(CGPoint){_gameSize.width - kGamePaddleTouchArea, 0}
-                           to:(CGPoint){_gameSize.width - kGamePaddleTouchArea, _gameSize.height}
+                        color:kGameColor];
+    [drawNode drawSegmentFrom:(CGPoint){(1 - kGamePaddleTouchArea) * _gameSize.width, 0}
+                           to:(CGPoint){(1 - kGamePaddleTouchArea) * _gameSize.width, _gameSize.height}
                        radius:1.0
-                        color:[CCColor orangeColor]];
+                        color:kGameColor];
     [self addChild:drawNode];
 
     // enable touch
@@ -88,7 +88,7 @@ - (void)gameTilt
 {
     // for now just show a game tilt label
     CCLabelTTF *gameTiltLabel = [CCLabelTTF labelWithString:@"Game Tilt" fontName:@"ArialMT" fontSize:48];
-    gameTiltLabel.fontColor = [CCColor orangeColor];
+    gameTiltLabel.fontColor = kGameColor;
     gameTiltLabel.positionType = CCPositionTypeNormalized;
     gameTiltLabel.position = (CGPoint){0.5, 0.5};
     [self addChild:gameTiltLabel];
@@ -188,9 +188,9 @@ - (void)update:(CCTime)delta
 
         // add some angle
         // if ball is hit in upper half, spin the ball upwards, and downwards if hit in lower half
-        float spin = (_ball.position.y - _paddleA.position.y) * kGameSpinFactor;
+        float spin = (_ball.position.y - _paddleA.position.y) / _gameSize.height * kGameSpinFactor;
         // add some randomness
-        spin += (CCRANDOM_MINUS1_1() * 100 * kGameSpinRandomFactor);
+        spin += (CCRANDOM_MINUS1_1() * kGameSpinRandomFactor);
         // adjust vector
         _ballVector = ccpRotateByAngle(_ballVector, CGPointZero, spin * M_PI / 180);
     }
@@ -203,8 +203,8 @@ - (void)update:(CCTime)delta
         // change direction
         _ballVector.x = -_ballVector.x;
         // add some angle (see above)
-        float spin = (_paddleB.position.y- _ball.position.y) * kGameSpinFactor;
-        spin += (CCRANDOM_MINUS1_1() * 100 * kGameSpinRandomFactor);
+        float spin = (_paddleB.position.y - _ball.position.y) / _gameSize.height * kGameSpinFactor;
+        spin += (CCRANDOM_MINUS1_1() * kGameSpinRandomFactor);
         _ballVector = ccpRotateByAngle(_ballVector, CGPointZero, spin * M_PI / 180);
     }
 
@@ -264,12 +264,12 @@ - (void)serveFromSide:(PaddleSide)side
     if (side == PaddleSideLeft)
     {
         _ball.position = (CGPoint){_paddleA.position.x + ((_paddleA.contentSize.width + _ball.contentSize.width) * 0.5), _paddleA.position.y};
-        _ballVector = (CGPoint){kGameBallSpeed, 0};
+        _ballVector = (CGPoint){kGameBallSpeed * _gameSize.width, 0};
     }
     else
     {
         _ball.position = (CGPoint){_paddleB.position.x - ((_paddleB.contentSize.width + _ball.contentSize.width) * 0.5), _paddleB.position.y};
-        _ballVector = (CGPoint){-kGameBallSpeed, 0};
+        _ballVector = (CGPoint){-kGameBallSpeed * _gameSize.width, 0};
     }
 }
 

templates/cocos2d iOS demo.xctemplate/Classes/gameScene.m

@@ -47,7 +47,7 @@ - (id)init
     background.anchorPoint = CGPointZero;
     background.position = CGPointZero;
     background.contentSize = size;
-    background.color = kGameLoadColor;
+    background.color = kGameLoadSceneColor;
     [self addChild:background];
 
     // loading text

templates/cocos2d iOS demo.xctemplate/Classes/loadScene.m

@@ -47,14 +47,11 @@ - (id)init
     // get the size of the world
     CGSize size = [CCDirector sharedDirector].viewSize;
 
-    // Set the background to medium grey
-    self.colorRGBA = [CCColor colorWithRed:0.5 green:0.5 blue:0.5];
-    
     // add a solid colored node
     CCSprite9Slice *background = [CCSprite9Slice spriteWithImageNamed:@"white_square.png"];
     background.anchorPoint = CGPointZero;
     background.contentSize = size;
-    background.color = kGameContrastColor;
+    background.color = kGameMainSceneColor;
     [self addChild:background];
 
     // add grossini (we have missed him)