app/src/main/java/com/example/textadventure/utils/AnimationManager.kt - master - username0273/TextAdventure

app/src/main/java/com/example/textadventure/utils/AnimationManager.kt
80 строк3 KB
Simon
first_commit
22 апр 2026, 23:38
22 апр 2026, 23:38ea68305
package com.example.textadventure.utils

import android.view.View
import android.view.animation.Animation
import android.view.animation.ScaleAnimation
import android.view.animation.TranslateAnimation

class AnimationManager {

    companion object {
        // -----------------------------------------------------------------------------------------
        // shake animation for taking damage
        // -----------------------------------------------------------------------------------------
        fun takeDamageAnimation(view: View) {
            val anim = TranslateAnimation(0f, -20f, 0f, 0f).apply {
                duration = 50
                repeatCount = 3
                repeatMode = Animation.REVERSE
                setAnimationListener(object : Animation.AnimationListener {
                    override fun onAnimationStart(animation: Animation) {}
                    override fun onAnimationEnd(animation: Animation) {}
                    override fun onAnimationRepeat(animation: Animation) {}
                })
            }
            view.startAnimation(anim)
        }

        // -----------------------------------------------------------------------------------------
        // scale up and down for attack
        // -----------------------------------------------------------------------------------------
        fun attackAnimation(view: View) {
            val scaleUp = ScaleAnimation(
                1.0f, 1.4f,  // X scale
                1.0f, 1.4f,  // Y scale
                Animation.RELATIVE_TO_SELF, 0.5f,  // Pivot X
                Animation.RELATIVE_TO_SELF, 0.5f   // Pivot Y
            ).apply {
                duration = 200
                fillAfter = false
            }

            val scaleDown = ScaleAnimation(
                1.4f, 1.0f,
                1.4f, 1.0f,
                Animation.RELATIVE_TO_SELF, 0.5f,
                Animation.RELATIVE_TO_SELF, 0.5f
            ).apply {
                duration = 200
                startOffset = 200
                setAnimationListener(object : Animation.AnimationListener {
                    override fun onAnimationStart(animation: Animation) {}
                    override fun onAnimationEnd(animation: Animation) {}
                    override fun onAnimationRepeat(animation: Animation) {}
                })
            }

            view.startAnimation(scaleUp)
            view.postDelayed({
                view.startAnimation(scaleDown)
            }, 200)
        }

        // -----------------------------------------------------------------------------------------
        // quick side step animation for dodge
        // -----------------------------------------------------------------------------------------
        fun dodgeAnimation(view: View) {
            val dodge = TranslateAnimation(0f, -100f, 0f, 0f).apply {
                duration = 180
                repeatCount = 1
                repeatMode = Animation.REVERSE
                setAnimationListener(object : Animation.AnimationListener {
                    override fun onAnimationStart(animation: Animation) {}
                    override fun onAnimationEnd(animation: Animation) {}
                    override fun onAnimationRepeat(animation: Animation) {}
                })
            }
            view.startAnimation(dodge)
        }
    }
}