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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,6 +1,6 @@ | ||
| #Tue Aug 21 22:29:52 IDT 2018 | ||
| #Sun Oct 14 03:02:00 IDT 2018 | ||
| distributionBase=GRADLE_USER_HOME | ||
| distributionPath=wrapper/dists | ||
| zipStoreBase=GRADLE_USER_HOME | ||
| zipStorePath=wrapper/dists | ||
| distributionUrl=https\://services.gradle.org/distributions/gradle-4.4-all.zip | ||
| distributionUrl=https\://services.gradle.org/distributions/gradle-4.6-all.zip |
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103 changes: 103 additions & 0 deletions
103
stars/src/main/java/com/sofakingforever/stars/MeteorEntity.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| package com.sofakingforever.stars | ||
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| import android.graphics.Canvas | ||
| import android.graphics.Paint | ||
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| internal class MeteorEntity(starConstraints: Star.StarConstraints, var x: Int, var y: Int, var color: Int, viewWidth: Int, viewHeight: Int, private val colorListener: () -> Int, private val onDoneListener: () -> Unit) { | ||
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| // private val length: Double = (starConstraints.minStarSize + Math.random() * (starConstraints.maxStarSize - starConstraints.minStarSize)) | ||
| private val fillPaint = Paint(Paint.ANTI_ALIAS_FLAG) | ||
| // private val strokePaint = Paint(Paint.ANTI_ALIAS_FLAG) | ||
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| private var shape: Star.StarShape = Star.StarShape.Dot | ||
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| private val meteor: Meteor = Meteor(starConstraints, x, y, color, viewWidth, viewHeight, colorListener, onDoneListener) | ||
| private val trail: Trail = Trail(meteor.star.length, meteor.star.fillPaint) | ||
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| init { | ||
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| // init fill paint for small and big stars | ||
| fillPaint.color = color | ||
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| } | ||
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| fun calculateFrame(viewWidth: Int, viewHeight: Int) { | ||
| trail.addPixel(meteor.star.x, meteor.star.y) | ||
| trail.calculatePixels() | ||
| meteor.calculateFrame(viewWidth, viewHeight) | ||
| } | ||
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| fun onDraw(canvas: Canvas?): Canvas? { | ||
| var newCanvas = canvas | ||
| newCanvas = meteor.onDraw(newCanvas) | ||
| newCanvas = trail.onDraw(newCanvas) | ||
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| return newCanvas | ||
| } | ||
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| internal class Meteor(starConstraints: Star.StarConstraints, var x: Int, var y: Int, var color: Int, viewWidth: Int, viewHeight: Int, private val colorListener: () -> Int, private val onDoneListener: () -> Unit) { | ||
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| private var onDoneInvoked = false | ||
| internal val star: Star = Star(starConstraints, x, y, false, 1.0, color, viewWidth, viewHeight, colorListener) | ||
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| fun calculateFrame(viewWidth: Int, viewHeight: Int) { | ||
| // star.calculateFrame(viewWidth, viewHeight) | ||
| star.x = star.x - 8 | ||
| star.y = star.y + 8 | ||
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| if (star.x < viewWidth * -1 && !onDoneInvoked) { | ||
| onDoneListener.invoke() | ||
| onDoneInvoked = true | ||
| } | ||
| } | ||
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| fun onDraw(canvas: Canvas?): Canvas? { | ||
| canvas?.drawCircle(star.x.toFloat(), star.y.toFloat(), star.length.toFloat() / 2f, star.fillPaint) | ||
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| return canvas | ||
| } | ||
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| } | ||
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| internal class Trail(val length: Double, val fillPaint: Paint) { | ||
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| private val trailPixels: MutableList<TrailPixel> = mutableListOf() | ||
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| fun addPixel(x: Int, y: Int) { | ||
| trailPixels.add(TrailPixel(x, y, length)) | ||
| } | ||
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| fun calculatePixels() { | ||
| trailPixels.forEach { it.calculatePixel() } | ||
| } | ||
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| fun onDraw(canvas: Canvas?): Canvas? { | ||
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| val newList = trailPixels.toList() | ||
| newList.forEach { | ||
| val newPaint = fillPaint | ||
| newPaint.alpha = (it.opacity * 255.0).toInt() | ||
| canvas?.drawCircle(it.x.toFloat(), it.y.toFloat(), it.length.toFloat() / 2f, fillPaint) | ||
| } | ||
| return canvas | ||
| } | ||
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| internal class TrailPixel(val x: Int, val y: Int, val length: Double) { | ||
| fun calculatePixel() { | ||
| opacity -= 0.015 | ||
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| if (opacity < 0) { | ||
| opacity = 0.0 | ||
| } | ||
| } | ||
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| var opacity: Double = 0.90 | ||
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| } | ||
| } | ||
| } |
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