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Add a new spinning effect

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This commit is contained in:
Lonami Exo 2017-09-09 18:39:33 +02:00
parent bb008d9982
commit df0741567c
3 changed files with 67 additions and 1 deletions
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android/assets/sound/effect_spin.mp3 Normal file
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8
core/src/io/github/lonamiwebs/klooni/Effect.java
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@ -24,6 +24,7 @@ import com.badlogic.gdx.math.Vector2;
import io.github.lonamiwebs.klooni.effects.EvaporateEffect;
import io.github.lonamiwebs.klooni.effects.IEffect;
import io.github.lonamiwebs.klooni.effects.SpinEffect;
import io.github.lonamiwebs.klooni.effects.VanishEffect;
import io.github.lonamiwebs.klooni.effects.WaterdropEffect;
import io.github.lonamiwebs.klooni.game.Cell;
@ -70,7 +71,8 @@ public class Effect {
return new Effect[] {
new Effect("vanish"),
new Effect("waterdrop"),
new Effect("evaporate")
new Effect("evaporate"),
new Effect("spin")
};
}
@ -92,6 +94,9 @@ public class Effect {
case 2:
effect = new EvaporateEffect();
break;
case 3:
effect = new SpinEffect();
break;
}
effect.setInfo(deadCell, culprit);
return effect;
@ -104,6 +109,7 @@ public class Effect {
if (name.equals("vanish")) return 0;
if (name.equals("waterdrop")) return 1;
if (name.equals("evaporate")) return 2;
if (name.equals("spin")) return 3;
return -1;
}

60
core/src/io/github/lonamiwebs/klooni/effects/SpinEffect.java Normal file
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@ -0,0 +1,60 @@
package io.github.lonamiwebs.klooni.effects;
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.g2d.Batch;
import com.badlogic.gdx.math.Interpolation;
import com.badlogic.gdx.math.Matrix4;
import com.badlogic.gdx.math.Vector2;
import io.github.lonamiwebs.klooni.game.Cell;
public class SpinEffect implements IEffect {
private float age;
private Vector2 pos;
private float size;
private Color color;
private static final float UP_SPEED = 100.0f;
private static final float LIFETIME = 2.0f;
private static final float INV_LIFETIME = 1.0f / LIFETIME;
private static final float TOTAL_ROTATION = 600;
@Override
public void setInfo(Cell deadCell, Vector2 culprit) {
age = 0;
pos = deadCell.pos.cpy();
size = deadCell.size;
color = deadCell.getColorCopy();
}
@Override
public void draw(Batch batch) {
age += Gdx.graphics.getDeltaTime();
final float progress = age * INV_LIFETIME;
final float currentSize = Interpolation.pow2In.apply(size, 0, progress);
final float currentRotation = Interpolation.sine.apply(0, TOTAL_ROTATION, progress);
final Matrix4 original = batch.getTransformMatrix().cpy();
final Matrix4 rotated = batch.getTransformMatrix();
final float disp =
+ 0.5f * (size - currentSize) // the smaller, the more we need to "push" to center
+ currentSize * 0.5f; // center the cell for rotation
rotated.translate(pos.x + disp, pos.y + disp, 0);
rotated.rotate(0, 0, 1, currentRotation);
rotated.translate(currentSize * -0.5f, currentSize * -0.5f, 0); // revert centering for rotation
batch.setTransformMatrix(rotated);
Cell.draw(color, batch, 0, 0, currentSize);
batch.setTransformMatrix(original);
}
@Override
public boolean isDone() {
return age > LIFETIME;
}
}