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87 lines
1.8 KiB
87 lines
1.8 KiB
package mightypork.rogue.gui.screens.test_bouncyboxes;
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import static mightypork.utils.math.constraints.ConstraintFactory.*;
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import java.util.Random;
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import mightypork.rogue.gui.constraints.RenderableWithContext;
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import mightypork.rogue.render.Render;
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import mightypork.utils.control.interf.Updateable;
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import mightypork.utils.math.animation.AnimDouble;
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import mightypork.utils.math.animation.Easing;
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import mightypork.utils.math.color.RGB;
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import mightypork.utils.math.constraints.ConstraintContext;
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import mightypork.utils.math.constraints.NumConstraint;
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import mightypork.utils.math.constraints.RectConstraint;
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import mightypork.utils.math.coord.Rect;
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public class BouncyBox implements RenderableWithContext, Updateable, ConstraintContext {
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private final Random rand = new Random();
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private ConstraintContext context;
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private final RectConstraint box;
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private final AnimDouble pos = new AnimDouble(0, Easing.BOUNCE_OUT);
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public BouncyBox() {
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// create box
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final NumConstraint side = c_height(this);
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RectConstraint abox = c_box_sized(this, side, side);
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// move
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final NumConstraint move_length = c_sub(c_width(this), side);
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final NumConstraint offset = c_mul(move_length, c_n(pos));
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abox = c_move(abox, offset, c_n(0));
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// add padding
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abox = c_shrink(abox, c_percent(side, c_n(10)));
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box = abox;
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}
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@Override
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public Rect getRect()
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{
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return context.getRect();
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}
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@Override
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public void render()
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{
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Render.quad(box.getRect(), RGB.GREEN);
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}
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@Override
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public void setContext(ConstraintContext context)
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{
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this.context = context;
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}
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public void goLeft()
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{
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pos.animate(1, 0, 2 + rand.nextDouble() * 1);
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}
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public void goRight()
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{
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pos.animate(0, 1, 2 + rand.nextDouble() * 1);
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}
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@Override
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public void update(double delta)
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{
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pos.update(delta);
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}
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}
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