Added an animation on the ball when jumping/bouncing.

Jonathan / BallJumper

Browse code Added an animation on the ball when jumping/bouncing. master
1 parent 7f5b84c commit 1e509f855d2ecf7a3b085e9c8929a4879aaa6b91 Jonathan Ström authored on 23 Aug 2017

Patch

Showing 1 changed file

Ignore Space Show notes View app/src/main/java/jonathan/balljumper/classes/Ball.java
package jonathan.balljumper.classes; import android.graphics.Canvas; import android.graphics.ColorFilter; import android.graphics.LightingColorFilter; import android.graphics.Paint; /** * Created by Jonathan on 27/07/2017. / public class Ball extends Sprite { private final int animationSizeMax = 6; private float radius; private float velocity, startVelocity; private float gravity; private float deltaX, deltaY; private int jumpBoost; private boolean isAnimationRunning; private float animationSize; private Paint paint; public Ball(float x, float y, float radius, float velocity, float gravity, float speed, int color) { super(x, y, radius 2, radius * 2); this.radius = radius; this.gravity = gravity; this.startVelocity = velocity; this.velocity = velocity; this.speed = speed; this.color = color; this.jumpBoost = -1; paint = new Paint(); ColorFilter filter = new LightingColorFilter(color, 90); paint.setColorFilter(filter); paint.setColor(color); } public void draw(Canvas canvas) { canvas.drawOval( getLeft() - animationSize / 2, getTop() + animationSize * 2, getRight() + animationSize / 2, getBottom() - animationSize, paint ); } /** * Bounce the ball. / public void bounce() { if (jumpBoost < 0) { jumpBoost = (int)speed; // Give the ball a boost. velocity = this.startVelocity; // Reset velocity } isAnimationRunning = true; } public void move() { this.deltaY = y; this.deltaX = x; if (jumpBoost >= 0) { int change = 0; if (jumpBoost > ((int)speed / 3) 2) { change = 4; } else if (jumpBoost > ((int)speed / 3)) { change = 2; } else { change = 1; } jumpBoost -= change; y -= change; } velocity = velocity + gravity; y = y - speed + velocity; this.deltaY = y - this.deltaY; this.deltaX = x - this.deltaX; if (isAnimationRunning) { animationSize += velocity * 2; if (animationSize >= animationSizeMax) { isAnimationRunning = false; } } else if (animationSize > 0) { animationSize -= velocity * 2; if (animationSize < 0) animationSize = 0; } } public boolean intersects(float x, float y, float w, float h) { return x < this.getLeft() + this.width && x + w > this.getLeft() && y < this.getTop() + this.height && y + h > this.getTop(); } @Override public float getTop() { return y - radius; } @Override public float getBottom() { return y + radius; } @Override public float getLeft() { return x - radius; } @Override public float getRight() { return x + radius; } public void setDeltaX(float newDeltaX) { this.deltaX = newDeltaX; } public float getDeltaX() { return deltaX; } public void setDeltaY(float newDeltaY) { this.deltaY = newDeltaY; } public float getDeltaY() { return deltaY; } public float getVelocity() { return velocity; } } package jonathan.balljumper.classes; import android.graphics.Canvas; import android.graphics.ColorFilter; import android.graphics.LightingColorFilter; import android.graphics.Paint; /** * Created by Jonathan on 27/07/2017. / public class Ball extends Sprite { private float radius; private float velocity, startVelocity; private float gravity; private float deltaX, deltaY; private int jumpBoost; private Paint paint; public Ball(float x, float y, float radius, float velocity, float gravity, float speed, int color) { super(x, y, radius 2, radius * 2); this.radius = radius; this.gravity = gravity; this.startVelocity = velocity; this.velocity = velocity; this.speed = speed; this.color = color; this.jumpBoost = -1; paint = new Paint(); ColorFilter filter = new LightingColorFilter(color, 90); paint.setColorFilter(filter); paint.setColor(color); } public void draw(Canvas canvas) { canvas.drawOval(getLeft(), getTop(), getRight(), getBottom(), paint); } /** * Bounce the ball. / public void bounce() { if (jumpBoost < 0) { jumpBoost = (int)speed; // Give the ball a boost. velocity = this.startVelocity; // Reset velocity } } public void move() { this.deltaY = y; this.deltaX = x; if (jumpBoost >= 0) { int change = 0; if (jumpBoost > ((int)speed / 3) 2) { change = 4; } else if (jumpBoost > ((int)speed / 3)) { change = 2; } else { change = 1; } jumpBoost -= change; y -= change; } velocity = velocity + gravity; y = y - speed + velocity; this.deltaY = y - this.deltaY; this.deltaX = x - this.deltaX; } public boolean intersects(float x, float y, float w, float h) { return x < this.getLeft() + this.width && x + w > this.getLeft() && y < this.getTop() + this.height && y + h > this.getTop(); } @Override public float getTop() { return y - radius; } @Override public float getBottom() { return y + radius; } @Override public float getLeft() { return x - radius; } @Override public float getRight() { return x + radius; } public void setDeltaX(float newDeltaX) { this.deltaX = newDeltaX; } public float getDeltaX() { return deltaX; } public void setDeltaY(float newDeltaY) { this.deltaY = newDeltaY; } public float getDeltaY() { return deltaY; } public float getVelocity() { return velocity; } }

Ignore Space Show notes View

app/src/main/java/jonathan/balljumper/classes/Ball.java

package jonathan.balljumper.classes;

import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.LightingColorFilter;
import android.graphics.Paint;

/**
 * Created by Jonathan on 27/07/2017.
 */

public class Ball extends Sprite {
    private final int animationSizeMax = 6;

private float radius;
    private float velocity, startVelocity;
    private float gravity;
    private float deltaX, deltaY;
    private int jumpBoost;

private boolean isAnimationRunning;
    private float animationSize;

private Paint paint;

public Ball(float x, float y, float radius, float velocity, float gravity, float speed, int color) {
        super(x, y, radius * 2, radius * 2);
        this.radius = radius;
        this.gravity = gravity;
        this.startVelocity = velocity;
        this.velocity = velocity;
        this.speed = speed;
        this.color = color;
        this.jumpBoost = -1;

paint = new Paint();
        ColorFilter filter = new LightingColorFilter(color, 90);
        paint.setColorFilter(filter);
        paint.setColor(color);
    }

public void draw(Canvas canvas) {
        canvas.drawOval(
                getLeft() - animationSize / 2,
                getTop() + animationSize * 2,
                getRight() + animationSize / 2,
                getBottom() - animationSize,
                paint
        );
    }

/**
     * Bounce the ball.
     */
    public void bounce() {
        if (jumpBoost < 0) {
            jumpBoost = (int)speed; // Give the ball a boost.
            velocity = this.startVelocity; // Reset velocity
        }

isAnimationRunning = true;
    }

public void move() {
        this.deltaY = y;
        this.deltaX = x;

if (jumpBoost >= 0) {
            int change = 0;
            if (jumpBoost > ((int)speed / 3) * 2) {
                change = 4;
            } else if (jumpBoost > ((int)speed / 3)) {
                change = 2;
            } else {
                change = 1;
            }

jumpBoost -= change;
            y -= change;
        }

velocity = velocity + gravity;
        y = y - speed + velocity;

this.deltaY = y - this.deltaY;
        this.deltaX = x - this.deltaX;

if (isAnimationRunning) {
            animationSize += velocity * 2;
            if (animationSize >= animationSizeMax) {
                isAnimationRunning = false;
            }
        } else if (animationSize > 0) {
            animationSize -= velocity * 2;
            if (animationSize < 0) animationSize = 0;
        }

}

public boolean intersects(float x, float y, float w, float h) {
        return x < this.getLeft() + this.width &&
                x + w > this.getLeft() &&
                y < this.getTop() + this.height &&
                y + h > this.getTop();
    }

@Override
    public float getTop() {
        return y - radius;
    }

@Override
    public float getBottom() {
        return y + radius;
    }

@Override
    public float getLeft() {
        return x - radius;
    }

@Override
    public float getRight() {
        return x + radius;
    }

public void setDeltaX(float newDeltaX) {
        this.deltaX = newDeltaX;
    }

public float getDeltaX() {
        return deltaX;
    }

public void setDeltaY(float newDeltaY) {
        this.deltaY = newDeltaY;
    }

public float getDeltaY() {
        return deltaY;
    }

public float getVelocity() {
        return velocity;
    }
}

package jonathan.balljumper.classes;

import android.graphics.Canvas;
import android.graphics.ColorFilter;
import android.graphics.LightingColorFilter;
import android.graphics.Paint;

/**
 * Created by Jonathan on 27/07/2017.
 */

public class Ball extends Sprite {
    private float radius;
    private float velocity, startVelocity;
    private float gravity;
    private float deltaX, deltaY;
    private int jumpBoost;

private Paint paint;

paint = new Paint();
        ColorFilter filter = new LightingColorFilter(color, 90);
        paint.setColorFilter(filter);
        paint.setColor(color);
    }

public void draw(Canvas canvas) {
        canvas.drawOval(getLeft(), getTop(), getRight(), getBottom(), paint);
    }

/**
     * Bounce the ball.
     */
    public void bounce() {
        if (jumpBoost < 0) {
            jumpBoost = (int)speed; // Give the ball a boost.
            velocity = this.startVelocity; // Reset velocity
        }
    }

public void move() {
        this.deltaY = y;
        this.deltaX = x;

jumpBoost -= change;
            y -= change;
        }

velocity = velocity + gravity;
        y = y - speed + velocity;

this.deltaY = y - this.deltaY;
        this.deltaX = x - this.deltaX;
    }

@Override
    public float getTop() {
        return y - radius;
    }

@Override
    public float getBottom() {
        return y + radius;
    }

@Override
    public float getLeft() {
        return x - radius;
    }

@Override
    public float getRight() {
        return x + radius;
    }

public void setDeltaX(float newDeltaX) {
        this.deltaX = newDeltaX;
    }

public float getDeltaX() {
        return deltaX;
    }

public void setDeltaY(float newDeltaY) {
        this.deltaY = newDeltaY;
    }

public float getDeltaY() {
        return deltaY;
    }

public float getVelocity() {
        return velocity;
    }
}

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