MyGame/app/src/main/java/com/example/mygame/Crystal.java - master - arti4/IndividualProject

MyGame/app/src/main/java/com/example/mygame/Crystal.java
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18 ноя 2025, 12:41
18 ноя 2025, 12:41f3a2f8a
package com.example.mygame;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Rect;
import org.jbox2d.dynamics.Body;

public class Crystal {
    private float x, y;
    private int width, height;
    private Rect crystalRect;
    private boolean isCollected = false;
    private int crystalId;
    private Body physicsBody;
    private PhysicsWorld physicsWorld;
    private float scaleFactor;
    private Context context;
    private Bitmap crystalBitmap;
    public Crystal(float x, float y, int crystalId, PhysicsWorld physicsWorld, float scaleFactor, Context context) {
        this.x = x;
        this.y = y;
        this.crystalId = crystalId;
        this.physicsWorld = physicsWorld;
        this.scaleFactor = scaleFactor;
        this.context = context;

        this.width = (int)(35 * scaleFactor);
        this.height = (int)(35 * scaleFactor);

        this.crystalRect = new Rect((int)x, (int)y, (int)(x + width), (int)(y + height));

        createPhysicsBody();
        loadCrystalBitmap();
    }
    private void loadCrystalBitmap() {
        try {
            int resourceId = context.getResources().getIdentifier("ic_crystal", "drawable", context.getPackageName());
            if (resourceId != 0) {
                Bitmap originalBitmap = BitmapFactory.decodeResource(context.getResources(), resourceId);
                crystalBitmap = Bitmap.createScaledBitmap(originalBitmap, width, height, true);
            }
        } catch (Exception e) {
            e.printStackTrace();
            crystalBitmap = createFallbackBitmap();
        }
    }
    private Bitmap createFallbackBitmap() {
        Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        Canvas canvas = new Canvas(bitmap);

        Paint paint = new Paint();
        paint.setAntiAlias(true);

        paint.setColor(Color.argb(255, 0, 200, 255));
        paint.setStyle(Paint.Style.FILL);

        float centerX = width / 2f;
        float centerY = height / 2f;
        float size = Math.min(width, height) * 0.7f;

        android.graphics.Path diamond = new android.graphics.Path();
        diamond.moveTo(centerX, centerY - size/2);
        diamond.lineTo(centerX + size/2, centerY);
        diamond.lineTo(centerX, centerY + size/2);
        diamond.lineTo(centerX - size/2, centerY);
        diamond.close();

        canvas.drawPath(diamond, paint);

        paint.setColor(Color.argb(150, 255, 255, 255));
        android.graphics.Path highlight = new android.graphics.Path();
        highlight.moveTo(centerX - size/4, centerY - size/6);
        highlight.lineTo(centerX, centerY - size/4);
        highlight.lineTo(centerX + size/6, centerY - size/8);
        highlight.lineTo(centerX + size/8, centerY + size/8);
        highlight.close();
        canvas.drawPath(highlight, paint);

        paint.setColor(Color.argb(200, 0, 150, 255));
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth(2 * scaleFactor);
        canvas.drawPath(diamond, paint);

        return bitmap;
    }
    private void createPhysicsBody() {
        float centerX = x + width / 2.0f;
        float centerY = y + height / 2.0f;
        physicsBody = physicsWorld.createCrystalBody(centerX, centerY, width, height, this);
    }
    public void draw(Canvas canvas) {
        if (isCollected) return;

        if (crystalBitmap != null) {
            canvas.drawBitmap(crystalBitmap, x, y, null);
        } else {
            drawFallbackCrystal(canvas);
        }
    }
    private void drawFallbackCrystal(Canvas canvas) {
        Paint paint = new Paint();
        paint.setAntiAlias(true);
        float centerX = x + width/2;
        float centerY = y + height/2;
        float size = width * 0.6f;

        android.graphics.Path diamond = new android.graphics.Path();
        diamond.moveTo(centerX, centerY - size/2);
        diamond.lineTo(centerX + size/2, centerY);
        diamond.lineTo(centerX, centerY + size/2);
        diamond.lineTo(centerX - size/2, centerY);
        diamond.close();

        paint.setColor(Color.argb(200, 0, 200, 255));
        paint.setStyle(Paint.Style.FILL);
        canvas.drawPath(diamond, paint);

        paint.setColor(Color.argb(255, 0, 150, 255));
        paint.setStyle(Paint.Style.STROKE);
        paint.setStrokeWidth(3 * scaleFactor);
        canvas.drawPath(diamond, paint);

        paint.setColor(Color.argb(150, 255, 255, 255));
        paint.setStyle(Paint.Style.FILL);
        canvas.drawCircle(centerX - size/4, centerY - size/4, size/6, paint);
    }
    public boolean checkCollection(Rect motorcycleRect) {
        if (isCollected) return false;

        if (Rect.intersects(crystalRect, motorcycleRect)) {
            isCollected = true;
            if (physicsBody != null) {
                physicsWorld.markBodyForRemoval(physicsBody);
            }
            return true;
        }
        return false;
    }
    public void setCollected(boolean collected) {
        this.isCollected = collected;
        if (collected && physicsBody != null) {
            physicsWorld.markBodyForRemoval(physicsBody);
        }
    }
    public float getX() { return x; }
    public float getY() { return y; }
    public int getWidth() { return width; }
    public int getHeight() { return height; }
    public Rect getRect() { return crystalRect; }
    public boolean isCollected() { return isCollected; }
    public int getCrystalId() { return crystalId; }
    public Body getPhysicsBody() { return physicsBody; }
}