Android Open Source - raycaster Map

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Back to project page raycaster.

License

The source code is released under:

Copyright (c) 2014 Fredrik Wallgren Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the...

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Java Source Code

package me.ramblingsby.raycaster;
//from www.j ava2s . c  om
import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.graphics.Texture;

public class Map {
  protected int size;
  protected int[] wallGrid;
  protected double light;
  protected Texture skybox;
  protected Texture wallTexture;

  public Map(int size) {
    this.size = size;
    this.wallGrid = new int[this.size * this.size];
    this.light = 0;
    this.skybox = new Texture(Gdx.files.internal("deathvalley_panorama.jpg"));
    this.wallTexture = new Texture(Gdx.files.internal("wall_texture.jpg"));
  }

  public Integer get(double x, double y) {
    x = Math.floor(x);
    y = Math.floor(y);
    if (x < 0 || x > this.size - 1 || y < 0 || y > this.size - 1) return -1;
    return this.wallGrid[(int)(y * this.size + x)];
  }

  public void randomize() {
    for (int i = 0; i < this.size * this.size; i++) {
      this.wallGrid[i] = Math.random() < 0.3 ? 1 : 0;
    }
  }

  public Ray cast(Point point, double angle, double range) {
    return new Ray(this, new Step(point.x, point.y, 0, 0, 0, 0, 0), Math.sin(angle), Math.cos(angle), range);
  }

  public void update( double seconds) {
    if (this.light > 0) this.light = Math.max(this.light - 10 * seconds, 0);
    else if (Math.random() * 5 < seconds) this.light = 2;
  }
}

Java Source Code List