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Added Levels and Difficulty stages. #95

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Added Levels and Difficulty stages. #95

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893741e
Physics updated
Jan 4, 2021
a0ffcda
Added difficulty increase and leveling
Jan 4, 2021
0434c58
Bird body impulse decreased
Jan 4, 2021
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30 changes: 24 additions & 6 deletions FlappyBird/GameScene.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,8 @@
import SpriteKit

class GameScene: SKScene, SKPhysicsContactDelegate{
let verticalPipeGap = 150.0

var verticalPipeGap = 200.0
var level:Int = 0
var bird:SKSpriteNode!
var skyColor:SKColor!
var pipeTextureUp:SKTexture!
Expand All @@ -21,7 +21,8 @@ class GameScene: SKScene, SKPhysicsContactDelegate{
var canRestart = Bool()
var scoreLabelNode:SKLabelNode!
var score = NSInteger()

var stageScore:Int = 0;
var levelLabelNode:SKLabelNode!;
let birdCategory: UInt32 = 1 << 0
let worldCategory: UInt32 = 1 << 1
let pipeCategory: UInt32 = 1 << 2
Expand All @@ -32,7 +33,7 @@ class GameScene: SKScene, SKPhysicsContactDelegate{
canRestart = true

// setup physics
self.physicsWorld.gravity = CGVector( dx: 0.0, dy: -5.0 )
self.physicsWorld.gravity = CGVector( dx: 0.0, dy: -6.0 )
self.physicsWorld.contactDelegate = self

// setup background color
Expand Down Expand Up @@ -137,7 +138,13 @@ class GameScene: SKScene, SKPhysicsContactDelegate{
scoreLabelNode.position = CGPoint( x: self.frame.midX, y: 3 * self.frame.size.height / 4 )
scoreLabelNode.zPosition = 100
scoreLabelNode.text = String(score)

levelLabelNode = SKLabelNode(fontNamed:"MarkerFelt-Wide")
levelLabelNode.position = CGPoint( x: self.frame.midX, y: 1 * self.frame.size.height / 4 )
levelLabelNode.zPosition = 10
levelLabelNode.text = "lvl:" + String(stageScore)
self.addChild(scoreLabelNode)
self.addChild(levelLabelNode)

}

Expand Down Expand Up @@ -199,16 +206,20 @@ class GameScene: SKScene, SKPhysicsContactDelegate{

// Reset score
score = 0
stageScore = 0
scoreLabelNode.text = String(score)

levelLabelNode.text = "lvl:" + String(stageScore)
verticalPipeGap = 200.0

// Restart animation
moving.speed = 1
}

override func touchesBegan(_ touches: Set<UITouch>, with event: UIEvent?) {
if moving.speed > 0 {
for _ in touches { // do we need all touches?
bird.physicsBody?.velocity = CGVector(dx: 0, dy: 0)
bird.physicsBody?.applyImpulse(CGVector(dx: 0, dy: 30))
bird.physicsBody?.applyImpulse(CGVector(dx: 0, dy: 22))
}
} else if canRestart {
self.resetScene()
Expand All @@ -227,6 +238,13 @@ class GameScene: SKScene, SKPhysicsContactDelegate{
// Bird has contact with score entity
score += 1
scoreLabelNode.text = String(score)
//Update level and diffeculty
if score == stageScore + 8{
stageScore += 8
levelLabelNode.text = "lvl:" + String(stageScore/8)
speed += 0.1
verticalPipeGap = verticalPipeGap - 20.0
}

// Add a little visual feedback for the score increment
scoreLabelNode.run(SKAction.sequence([SKAction.scale(to: 1.5, duration:TimeInterval(0.1)), SKAction.scale(to: 1.0, duration:TimeInterval(0.1))]))
Expand Down