SpriteKit (AnjLab Tech Talks)
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This document provides an overview of SpriteKit in 3 sentences: SpriteKit allows developers to create 2D games and applications with scenes, nodes, actions, physics, and more. It includes classes like SKScene for scenes, SKSpriteNode for sprites, SKShapeNode for shapes, SKEmitterNode for particle effects, and SKPhysicsBody to apply physics. The document outlines how to set up a SpriteKit view, add sprites and other nodes to scenes, apply actions and physics, and more.
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SpriteKit (AnjLab Tech Talks)
- 2. SPRITEKIT SKSCENE Application UIView SKView SKScene UIViewController Настройка SKView Создание сцены
- 3. SPRITEKIT SKNODE ▸ SKSpriteNode ▸ SKLabelNode ▸ SKShapeNode ▸ SKEmitterNode ▸ SKEffectNode ▸ SKCropNode ▸ SKVideoNode
- 4. SPRITEKIT SKNODE ▸ Положение, поворот, масштаб ▸ zPozition
- 5. SPRITEKIT SKSPRITENODE SKSpriteNode *moon = [SKSpriteNode spriteNodeWithImageNamed:@"moon.png"]; moon.color = [UIColor greenColor]; moon.colorBlendFactor = 0.7; moon.png
- 6. SPRITEKIT SKSHAPENODE SKShapeNode *rect = [SKShapeNode shapeNodeWithRect:CGRectMake( 0.0, 0.0, 100.0, 100.0) cornerRadius:8.0]; rect.lineWidth = 3.0; rect.strokeColor = [SKColor redColor]; SKShapeNode *ellipse = [SKShapeNode shapeNodeWithEllipseInRect: CGRectMake(0.0, 0.0, 50.0, 100.0)]; ellipse.fillColor = [SKColor yellowColor]; SKShapeNode *triangle = [[SKShapeNode alloc] init]; UIBezierPath *bezierPath = [UIBezierPath bezierPath]; . . . [bezierPath closePath]; triangle.path = bezierPath.CGPath; triangle.strokeColor = [SKColor greenColor]; triangle.lineWidth = 3.0;
- 7. SPRITEKIT SKEMITTERNODE NSSpriteNode *cloud = ... NSString *rainPath = [[NSBundle mainBundle] pathForResource:@"rain" ofType:@"sks"]; SKEmitterNode *rain = [NSKeyedUnarchiver unarchiveObjectWithFile:rainPath]; rain.position = CGPointMake(0, cloud.size.height -10); [cloud addChild:rain]; rain.particleScale = 2;
- 8. SPRITEKIT SKEFFECTNODE SKEffectNode *blur = [[SKEffectNode alloc] init]; moon.blendMode = SKBlendModeAdd; [blur addChild:moon]; CIFilter *filter = [CIFilter filterWithName:@"CIGaussianBlur"]; [filter setDefaults]; blur.filter = filter; [self addChild:blur]; self.shouldEnableEffects = YES; Применяет CIFilter для потомков CIFilter - мощный фильтр CoreImage Может быть применен для всей сцены
- 9. SPRITEKIT SKCROPNODE SKSpriteNode *brickwall = [SKSpriteNode spriteNodeWithImageNamed:@"brickwall.jpg"]; SKCropNode *crop = [SKCropNode node]; [crop addChild:brickwall]; [crop setMaskNode:moon]; [self addChild:crop];
- 10. SPRITEKIT SKVIDEONODE ▸ Видео = компонент ▸ AVPlayer (AVFoundation.framework) ▸ Вся функциональность AVFoundation [SKVideoNode videoNodeWithVideoFileNamed:@"video.mp4"]; [SKVideoNode videoNodeWithAVPlayer:player];
- 11. SPRITEKIT ДЕЙСТВИЯ Создание действий Применение действий [SKAction moveTo:CGPointMake(100,100) duration:1.0]; [SKAction rotateByAngle:M_PI duration:1.0]; [SKAction fadeAlphaTo:0.75 duration:1.0]; [SKAction scaleBy:10.0 duration:1.0]; SKAction *move = [SKAction moveTo:aPoint duration:0.0]; [moon runAction:move];
- 12. SPRITEKIT ПОВТОРЯЮЩИЕСЯ ДЕЙСТВИЯ SKAction *move = [SKAction moveTo:aPoint duration:0.5]; SKAction *repeat = [SKAction repeatAction:move count:3]; SKAction *repeatForever = [SKAction repeatActionForever:move];
- 13. SPRITEKIT ОБЪЕДИНЕНИЕ ДЕЙСТВИЙ 1 сек 2 сек 1.5 сек [node runAction:[SKAction sequence:@[action1, action2, action3]]]; 1 сек 2 сек 1.5 сек [node runAction:[SKAction group:@[action1, action2, action3]]];
- 14. SPRITEKIT SKPHYSICSBODY И SKPHYSICSWORLD moon.physicsBody = [SKPhysicsBody bodyWithCircleOfRadius: moon.size.width / 2]; moon.physicsBody.mass = 10; moon.physicsBody.velocity = aCGVector; self.physicsWorld.gravity = CGPointMake(0.0, -9.8); self.physicsWorld.gravity = CGPointMake(0.0, +9.8);