Android Open Source - TicTacToe3D T T T3d X Shape

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License

The source code is released under:

MIT License

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Java Source Code

/**
 * Classe que desenha um c?rculo como uma pe?a 
 * do jogo da velha 3D//from w  ww  .  j a v a 2  s  . c o m
 *  
 * Refer?ncia:
 * http://slabode.exofire.net/circle_draw.shtml
 * 
 */
package com.unibh.dcet.ccc.android.tictactoe3d.view;

import javax.microedition.khronos.opengles.GL;
import javax.microedition.khronos.opengles.GL10;

import android.util.Log;

/**
 * Classe que desenha a pe?a O do jogo da velha  
 * 
 */
public class TTT3dXShape extends TTT3dDrawable {
  
    private Grid mGrid;
    private Circle mCircle;
    float mRadius;
    float mHeight;
    final int muSteps;
    final int mvSteps;

    /**
   *  
   * 
   */
  public TTT3dXShape(GL10 gl, float radius, float height,
        int uSteps, int vSteps) {
    checkGLError(gl); 
        mRadius = radius;
        mHeight = height;
        muSteps = uSteps;
        mvSteps = vSteps;
    mGrid = generateCylinderGrid(gl, mRadius, mHeight, muSteps, mvSteps);
    mCircle = new Circle(mRadius, muSteps);
    checkGLError(gl);
  }
  
    private Grid generateCylinderGrid(GL gl, float radius, float height,
        int uSteps, int vSteps) {

        Grid grid = new Grid(uSteps + 1, vSteps + 1);

        for (int j = 0; j <= vSteps; j++) {
            for (int i = 0; i <= uSteps; i++) {
                double angle = Math.PI * 2 * i / uSteps;
                float nx = (float) Math.cos(angle);
                float ny = 0f;
                float nz = (float) Math.sin(angle);
                float x = radius * nx;
                float y = height * ((float) j / vSteps - 0.5f);
                float z = radius * nz;
                grid.set(i, j, x, y, z, nx, ny, nz);
            }
        }

        grid.createBufferObjects(gl);
        return grid;
    }
    
    private void drawFullCylinder(GL10 gl) {
    mGrid.draw(gl);
    gl.glPushMatrix();
      gl.glNormal3f(1, 0, 0);
      gl.glTranslatef(0f, mHeight/2, 0f);
      gl.glRotatef(180, 1, 0, 0);
      mCircle.draw(gl);
    gl.glPopMatrix();
    gl.glPushMatrix();
      gl.glNormal3f(1, 0, 0);
      gl.glTranslatef(0f, -mHeight/2, 0f);
      mCircle.draw(gl);
    gl.glPopMatrix();
      
    }
    
  public void draw(GL10 gl) {
    gl.glPushMatrix();
      gl.glColor4f(red, green, blue, alfa);
      gl.glRotatef(90, 0, 0, 1);
      gl.glPushMatrix();
        gl.glRotatef(45, 1, 0, 0);
        drawFullCylinder(gl);
      gl.glPopMatrix();
      gl.glPushMatrix();
        gl.glRotatef(135, 1, 0, 0);
        drawFullCylinder(gl);
      gl.glPopMatrix();
    gl.glPopMatrix();
  }

    static void checkGLError(GL gl) {
        int error = ((GL10) gl).glGetError();
        if (error != GL10.GL_NO_ERROR) {
        Log.d("Erro", "TTT3dXShape: GLError 0x" + 
            Integer.toHexString(error));
        }
    }
}

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