86 lines
1.9 KiB
Java
86 lines
1.9 KiB
Java
package it.cavallium.warppi.extra.mario;
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public class MarioEntity {
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protected double x;
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protected double y;
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public double forceX;
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public double forceY;
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public boolean collisionUp;
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public boolean collisionDown;
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public boolean collisionLeft;
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public boolean collisionRight;
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public boolean subjectToGravity;
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public MarioEntity(final double x, final double y, final double forceX, final double forceY, final boolean onGround, final boolean subjectToGravity) {
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this.x = x;
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this.y = y;
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this.forceX = forceX;
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this.forceY = forceY;
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collisionDown = onGround;
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this.subjectToGravity = subjectToGravity;
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}
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public void setPosition(final double x, final double y) {
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this.x = x;
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this.y = y;
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}
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public void setPosition(final double x, final double y, final boolean onGround) {
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this.x = x;
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this.y = y;
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collisionDown = onGround;
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}
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public double getX() {
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return x;
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}
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public double getY() {
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return y;
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}
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public boolean isOnGround() {
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return collisionDown;
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}
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public void setOnGround(final boolean onGround) {
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collisionDown = onGround;
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}
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public void gameTick(final double dt) {
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x = computeFutureDX(dt);
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y = computeFutureDY(dt);
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forceX = computeFutureForceDX(dt);
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forceY = computeFutureForceDY(dt);
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}
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public double computeFutureDX(final double dt) {
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return x + dt * forceX - x;
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}
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public double computeFutureDY(final double dt) {
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final double forceY = this.forceY;
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double y = this.y;
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if (!collisionDown) {
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y += dt * forceY;
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}
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return y - this.y;
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}
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public double computeFutureForceDX(final double dt) {
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double forceX = this.forceX;
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forceX *= 0.75;
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return forceX - this.forceX;
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}
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public double computeFutureForceDY(final double dt) {
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double forceY = this.forceY;
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if (subjectToGravity && !collisionDown) {
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forceY -= dt * 1569.6 / 16f;
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} else {
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forceY *= 0.75;
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}
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return forceY - this.forceY;
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}
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}
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