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Author: GamerIDGoesHere (posted 2014-02-08 05:09:40, viewed 63 times)

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package Gen;

import com.badlogic.gdx.Gdx;
import com.badlogic.gdx.Input.Keys;
import com.badlogic.gdx.Screen;
import com.badlogic.gdx.graphics.GL20;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer;
import com.badlogic.gdx.graphics.glutils.ShapeRenderer.ShapeType;

public class RandomTerrain implements Screen {

   private int size = 4; // tile size in pixels
   private int width = 4096, height = 192; // map dimensions
   private int[] tiles; // tile array

   public ShapeRenderer shapeRenderer;
   
   public RandomTerrain() {


      makeTiles();

      loop();

   }

      private void makeTiles() {

            tiles = new int[width * height];

            SimplexNoise noise = new SimplexNoise();

            int freq = 400;
            
            for(int x=0;x<width;x++) {
               float h = (noise.noise((float) x / freq, 0) + 1) / 2; // make noise 0 to 1
               
               for(int y=0;y<height;y++) {
                  float current = (float) (height - y) / height;
                  
                  if(current > h) tiles[x+y*width]=1;
                  else tiles[x+y*width]=2;
                  
               }
            }

         }

   private void loop() {


   }

   public void render() {

      Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
      for (int y = 0; y < height; y++) {
         for (int x = 0; x < width; x++) {

            if (tiles[x + y * width] == 1) {
               render(x * size, y * size, size, size, 0.5f, 0.2f, 0.1f); // render dirt tile
            } else {
               if (tiles[x + y * width] == 2) {
                  render(x * size, y * size, size, size, 0.2f, 0.8f, 0.2f); // render grass tile
               }
            }

         }
      }

   }
   
   private boolean wasDown = false;

   private void tick() {

      boolean down =  Gdx.input.isKeyPressed(Keys.R);

      if (!wasDown && down) {
         makeTiles();
      }

      wasDown = down;

   }

   private void render(int x, int y, int width, int height, float r, float g, float b) {

/*      Gdx.gl.glBegin(GL20.GL_QUADS);

      Gdx.gl.glColor3f(r, g, b);

      Gdx.gl.glVertex2f(x, y);
      Gdx.gl.glVertex2f(x + width, y);
      Gdx.gl.glVertex2f(x + width, y + height);
      Gdx.gl.glVertex2f(x, y + height);

      Gdx.gl.glEnd();
*/      
       shapeRenderer.begin(ShapeType.Filled);
       shapeRenderer.setColor(r, g, b, 1);
       shapeRenderer.rect(x, y, width, height);
       shapeRenderer.end();

   }

   @Override
   public void render(float delta) {
      // TODO Auto-generated method stub
      tick();

      render();
   }

   @Override
   public void resize(int width, int height) {
      // TODO Auto-generated method stub
      
   }

   @Override
   public void show() {
      // TODO Auto-generated method stub
      
   }

   @Override
   public void hide() {
      // TODO Auto-generated method stub
      
   }

   @Override
   public void pause() {
      // TODO Auto-generated method stub
      
   }

   @Override
   public void resume() {
      // TODO Auto-generated method stub
      
   }

   @Override
   public void dispose() {
      // TODO Auto-generated method stub
      
   }
   
}





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