115 lines
2.8 KiB
Objective-C
115 lines
2.8 KiB
Objective-C
//
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// Starship.m
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// Yog-Shot-Oth
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//
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// Created by Yann Esposito on 05/10/11.
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// Copyright 2011 __MyCompanyName__. All rights reserved.
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//
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#import "Starship.h"
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#import "cocos2d.h"
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#import "CCSprite.h"
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#import "geometry.h"
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@implementation Starship
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-(id)init
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{
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self = [super init];
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if (self) {
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// Initialization code here
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}
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return self;
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}
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@synthesize positionAtTouchBegan;
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@synthesize initialTouch;
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@synthesize lastTouch;
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@synthesize sprite;
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- (id)initWithWinSize:(CGSize)winSizeGiven
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{
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self = [super init];
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if (self) {
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winSize = winSizeGiven;
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firstTouch = nil;
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sprite = [CCSprite spriteWithFile:@"pentacleOne.png"];
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sprite.position = ccp(winSize.width/2, 50);
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self.positionAtTouchBegan = sprite.position;
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self.initialTouch = self.positionAtTouchBegan;
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self.lastTouch = self.positionAtTouchBegan;
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[self addChild:sprite];
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}
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return self;
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}
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- (CGPoint) position {
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return sprite.position;
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}
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-(CGPoint) positionFromTouch:(UITouch *)touch
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{
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CGPoint position=[touch locationInView:[touch view]];
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position.x = winSize.width - position.x; // SHOULD UNDERSTAND WHY
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return position;
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}
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-(void)touchBegan:(UITouch *)touch {
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if (firstTouch != nil) return;
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firstTouch = touch;
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self.positionAtTouchBegan = sprite.position;
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self.initialTouch = [self positionFromTouch:touch];
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self.lastTouch = self.initialTouch;
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}
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-(void)touchesOccured:(NSSet *)touches {
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//Simply store the touch location for later processing by the
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if (firstTouch != nil) return;
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[self touchBegan:[touches anyObject]];
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}
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-(void)touchesEnded:(NSSet *)touches {
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for (UITouch *touch in touches) {
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if (touch == firstTouch) {
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firstTouch=nil;
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}
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}
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}
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-(void)touchesMoved:(NSSet *)touches {
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//Simply store the touch location for later processing by the
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for (UITouch *touch in touches) {
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if (firstTouch == touch) {
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self.lastTouch = [self positionFromTouch:touch];
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return;
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}
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}
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}
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-(CGPoint)findTouchIn:(NSSet *)touches closestTo:(CGPoint)targetPosition {
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if ([touches count] == 1) {
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return [self positionFromTouch:[touches anyObject]];
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}
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CGPoint closest;
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CGPoint position;
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CGFloat minDist=INTMAX_MAX;
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CGFloat dist;
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for (UITouch *touch in touches) {
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position=[self positionFromTouch:touch];
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dist=ccpDistance(position, targetPosition);
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if (dist < minDist) {
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closest = position;
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minDist = dist;
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}
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}
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return closest;
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}
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-(void)update:(ccTime)dt {
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sprite.position = ccpAdd(self.positionAtTouchBegan, ccpSub(self.initialTouch, self.lastTouch));
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sprite.position = ccpRestrict(sprite.position,sprite.boundingBox.size,winSize);
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}
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@end
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