opengl实现3D弹球(增强版)

    接着上次的弹球问题，增加了几个功能，首先可以改变弹球的速度（按ctrl+up速度变快，当按ctrl+down速度变慢，当按ctrl+left旋转变慢，当按ctrl+right选择变快），其次改变弹球选择速度，在碰壁的时候会发出碰撞的声音。
   

    using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Tao.OpenGl;
using Tao.FreeGlut;
using System.Media;

namespace homework2
{
    public partial class Form1 : Form
    {
        double cx = 0.01, cy = 0.02, cz = 0.03;
        double x = 0.0, y = 0.0, z = 0.0;
        double angle = 2.0;
        double cangle = 3.0;
        double radius = 0.2;
        SoundPlayer myplayer = new SoundPlayer();
        public Form1()
        {
            InitializeComponent();
            this.simpleOpenGlControl1.InitializeContexts();
            Glut.glutInit();
        }
        private void MyInit()
        {
            Gl.glClearColor(0.0f, 0.0f, 0.0f, 1.0f);

        }
        private void SetViewVolume()
        {
           
            Gl.glMatrixMode(Gl.GL_PROJECTION);
            Gl.glLoadIdentity();
            double aspect = (double)this.simpleOpenGlControl1.Width / (double)this.simpleOpenGlControl1.Height;
            Glu.gluPerspective(45, aspect, 0.1, 100.0);
            Gl.glViewport(0, 0, this.simpleOpenGlControl1.Width, this.simpleOpenGlControl1.Height);
        }
        private void simpleOpenGlControl1_Load(object sender, EventArgs e)
        {
            MyInit();
            SetViewVolume();
        }

        private void simpleOpenGlControl1_Paint(object sender, PaintEventArgs e)
        {
            Gl.glClear(Gl.GL_COLOR_BUFFER_BIT);
            drawWall();
            Random rn = new Random();
            Gl.glMatrixMode(Gl.GL_MODELVIEW);
            Gl.glLoadIdentity();
            Glu.gluLookAt(0.0, 0.0, 3.5, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
            Gl.glPushMatrix();
           Gl.glColor3f(1.0f, 1.0f, 1.0f);
            
             Gl.glTranslated(x, y, z); 
            Gl.glRotated(angle, 0.0, 1.0, 0.0);
            Glut.glutWireSphere(0.2, 20, 20);
            Gl.glPopMatrix();
           
            
        }

        private void drawWall()
        {
            Gl.glMatrixMode(Gl.GL_MODELVIEW);
            Gl.glLoadIdentity();
           
            Gl.glPushMatrix();
            Glu.gluLookAt(0.0, 0.0, 3.5, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);
            Gl.glBegin(Gl.GL_QUADS);
         

            Gl.glColor3f(0.0f, 0.0f, 1.0f);			
            Gl.glVertex3f(1.0f, 1.0f, 1.0f);			
            Gl.glVertex3f(-1.0f, 1.0f, 1.0f);			
            Gl.glVertex3f(-1.0f, -1.0f, 1.0f);			
            Gl.glVertex3f(1.0f, -1.0f, 1.0f);
            Gl.glEnd();

            Gl.glBegin(Gl.GL_QUADS);
            Gl.glColor3f(1.0f, 0.0f, 0.0f);			
            Gl.glVertex3f(1.0f, -1.0f, -1.0f);			
            Gl.glVertex3f(-1.0f, -1.0f, -1.0f);			
            Gl.glVertex3f(-1.0f, 1.0f, -1.0f);			
            Gl.glVertex3f(1.0f, 1.0f, -1.0f);
            Gl.glEnd();

            Gl.glBegin(Gl.GL_QUADS);
            Gl.glColor3f(0.0f, 1.0f, 0.0f);			
            Gl.glVertex3f(-1.0f, 1.0f, 1.0f);			
            Gl.glVertex3f(-1.0f, 1.0f, -1.0f);			
            Gl.glVertex3f(-1.0f, -1.0f, -1.0f);			
            Gl.glVertex3f(-1.0f, -1.0f, 1.0f);
            Gl.glEnd();

            Gl.glBegin(Gl.GL_QUADS);
            Gl.glColor3f(0.0f, 1.0f, 0.0f);			
            Gl.glVertex3f(1.0f, 1.0f, -1.0f);			
            Gl.glVertex3f(1.0f, 1.0f, 1.0f);			
            Gl.glVertex3f(1.0f, -1.0f, 1.0f);			
            Gl.glVertex3f(1.0f, -1.0f, -1.0f);		

            Gl.glEnd();
            Gl.glPopMatrix();
            
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            angle += cangle;
            myplayer.SoundLocation=(Application.StartupPath + @"/16.wav");
           
            if (x + radius >= 1 || x - radius <= -1)
            {
                cx = -cx;
                myplayer.Play();
            }
            if (y + radius >= 1 || y - radius <= -1)
            {
                cy = -cy;
                myplayer.Play();
            }
            if (z + radius >= 1 || z - radius <= -1)
            {
                cz = -cz;
                myplayer.Play();
            }
            x += cx;
            y +=cy;
            z += cz;
            this.simpleOpenGlControl1.Refresh();
        }

        private void simpleOpenGlControl1_KeyDown(object sender, KeyEventArgs e)
        {
            switch (e.KeyCode)
            {
                case Keys.Up:
                    
                    if(this.timer1 .Interval >2)
                    this.timer1.Interval -= 2;
                    break;
                case Keys.Down:
                        this.timer1.Interval += 2;
                    break;
                case Keys.Left:
                    if(angle+cangle>0)
                    this.cangle -= 3.0;
                    if (cangle == 0.0)
                        angle = 0.0;
                    break;
                case Keys .Right:
                   this.cangle += 3.0;
                    break;
            }
            this.simpleOpenGlControl1.Refresh();
        }
        

    }
}