Android Open Source - RollOverSphere---a-simple-libgdx-game Main Wall Object

From Project

Back to project page RollOverSphere---a-simple-libgdx-game.

License

The source code is released under:

MIT License

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Java Source Code

package com.igorcrevar.rolloverchuck.objects;
/*from  w ww  .  ja va 2  s .c o  m*/
import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.graphics.glutils.ShaderProgram;
import com.badlogic.gdx.math.Matrix4;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.math.Vector3;
import com.igorcrevar.rolloverchuck.GameConsts;
import com.igorcrevar.rolloverchuck.GameData;
import com.igorcrevar.rolloverchuck.GameManager;
import com.igorcrevar.rolloverchuck.mesh.IMesh;

public class MainWallObject {
  private IMesh mesh;
  private ShaderProgram sp;
  private Matrix4 modelMatrix;
  private Color colorFactor = new Color(0.1f, 0.1f, 0.2f, 1.0f);
  private Vector2[] points = new Vector2[4];
  private GameData gameData;
  
  public MainWallObject(GameManager gameManager) {    
    mesh = gameManager.getMesh("cube_with_normals");
    sp = gameManager.getShader("light");
    modelMatrix = new Matrix4();
    gameData = gameManager.getGameData();
    for (int i = 0; i < 4; ++i) {
      points[i] = new Vector2();
    }
  }
  
  public void init(int x, int y, int width, int height) {    
    calc(points[0], x, y);
    calc(points[1], x + width, y);
    calc(points[2], x + width, y + height);
    calc(points[3], x, y + height);
    
    float stX = points[0].x;
    float stY = points[0].y;
    float endX = points[2].x;
    float endY = points[2].y;
    modelMatrix.idt().translate(GameData.ObjectZero);
    modelMatrix.translate((endX + stX) / 2.0f, 0.75f, (endY + stY) / 2.0f).scale(endX - stX, 1.5f, endY - stY);
  }
  
  public void draw(Matrix4 projViewMatrix, Matrix4 viewMatrix, Vector3 lightPos) {
    projViewMatrix.mul(modelMatrix);    
    viewMatrix.mul(modelMatrix);
    sp.begin();
    sp.setUniformMatrix(GameConsts.ProjectionMatrixName,  projViewMatrix);
    sp.setUniformf("u_color_factor", colorFactor);
    sp.setUniformMatrix(GameConsts.ViewModelMatrixName, viewMatrix);
    sp.setUniformf(GameConsts.LightPosName, lightPos);
    mesh.draw(sp);
    sp.end();
  }
  
  public void drawShadow(ShaderProgram sp, Matrix4 projViewMatrix) {
    sp.setUniformMatrix("u_modelMatrix", modelMatrix);
    sp.setUniformMatrix(GameConsts.ProjectionMatrixName,  projViewMatrix);
    mesh.draw(sp);    
  }
  
  private void calc(Vector2 v, int x, int y) {
    v.set(-gameData.FieldSize / 2.0f + x * gameData.CubeRegionSize,
        -gameData.FieldSize / 2.0f + y * gameData.CubeRegionSize);
  }
}

Java Source Code List