opengl android 线宽

 GLES20.glLineWidth( 3f );

  

   

    

     

    
    

     

      private void drawCircle( float r, float g, float b, float a ) {
     
    
   

    

     

    
    

     
 for( int i = 0; i < circleBuffersesList.size(); ++i  ) {
     
    
   

    

     

    
    

     
 //頂点バッファの指定
     
    
   

    

     

    
    

     

       GLES20.glVertexAttribPointer( GLES.positionHandle, 3,
     
    
   

    

     

    
    

     

       GLES20.GL_FLOAT, false, 0, circleBuffersesList.get(i).vertexBuffer );
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 //法線バッファの指定
     
    
   

    

     

    
    

     

       GLES20.glVertexAttribPointer( GLES.normalHandle, 3,
     
    
   

    

     

    
    

     

       GLES20.GL_FLOAT, false, 0, circleBuffersesList.get(i).normalBuffer );
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 //描画
     
    
   

    

     

    
    

     

       setMaterial( r, g, b, a );
     
    
   

    

     

    
    

     

       circleBuffersesList.get(i).indexBuffer.position(0);
     
    
   

    

     

    
    

     

       GLES20.glLineWidth( 3f );
     
    
   

    

     

    
    

     

       GLES20.glDrawElements( GLES20.GL_LINE_LOOP,
     
    
   

    

     

    
    

     

       circleBuffersesList.get(i).indexBuffer.capacity(), GLES20.GL_UNSIGNED_BYTE, circleBuffersesList.get(i).indexBuffer );
     
    
   

    

     

    
    

     

       }
     
    
   

    

     

    
    

     

      }
     
    
  
 

文章来源: blog.csdn.net，作者：网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/102952564