话说最近堕落了,明知道要好好学OPENGL,却每天看书也就一个小时.下班后先打篮球,之后吃饭,回到住处一般都要21点了.确实时间也不是很多.我想说,还要陪女朋友...
还是要像以前学东西时一样,不管看起来多么简单的东西,都要写代码写一遍,会了再说.所以,现在有电脑了.就更要努力了,要在年末写出一个像样的渲染器呢,要加油了`
白天的工作做得还好,有时一天也没做什么,有时一天做了很多.做到现在这个阶段,很多东西更要做细了,毕竟是在做产品,要想的东西还是很多,高瞻远瞩的眼光是要有的,不然将来遭罪的是我们,而且也对不起信任我的人.
贴吧,之后睡觉了.
// SphereWorld.cpp
#include "stdafx.h"
#include <GLShaderManager.h>
#include <GLFrustum.h>
#include <GLBatch.h>
#include <GLMatrixStack.h>
#include <GLGeometryTransform.h>
#include <StopWatch.h>
#include <math.h>
#include <GL/glut.h>
GLShaderManager shaderManager ;
GLMatrixStack modelViewMatrix ;
GLMatrixStack projectionMatrix ;
GLFrustum viewFrustum ;
GLGeometryTransform transformPipeline ;
GLTriangleBatch torusBatch ;
GLBatch floorBatch ;
void SetupRC()
{
shaderManager.InitializeStockShaders() ;
glEnable(GL_DEPTH_TEST) ;
glPolygonMode(GL_FRONT_AND_BACK, GL_RGB) ;
glClearColor(0, 0, 0, 1) ;
gltMakeTorus(torusBatch, 0.4, 0.15, 30, 30) ;
floorBatch.Begin(GL_LINES, 324) ;
{
for(GLfloat x = -20.0; x <= 20.0f; x+= 0.5)
{
floorBatch.Vertex3f(x, -0.55f, 20.0f);
floorBatch.Vertex3f(x, -0.55f, -20.0f);
floorBatch.Vertex3f(20.0f, -0.55f, x);
floorBatch.Vertex3f(-20.0f, -0.55f, x);
}
}
floorBatch.End();
}
void ChangeSize(int width, int height)
{
glViewport(0, 0, width, height) ;
viewFrustum.SetPerspective(35, (float)width / height, 1, 100) ;
projectionMatrix.LoadMatrix(viewFrustum.GetProjectionMatrix()) ;
transformPipeline.SetMatrixStacks(modelViewMatrix, projectionMatrix) ;
}
void RenderScene(void)
{
static GLfloat floorColor[] = {0, 1, 0, 1} ;
static GLfloat torusColor[] = {1, 0, 0, 1} ;
static CStopWatch rotTimer ;
float yRot = rotTimer.GetElapsedSeconds() * 60 ;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT) ;
modelViewMatrix.PushMatrix() ;
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(),
floorColor) ;
floorBatch.Draw() ;
modelViewMatrix.Translate(0, 0, -2.5) ;
modelViewMatrix.Rotate(yRot, 0, 1, 0) ;
shaderManager.UseStockShader(GLT_SHADER_FLAT,
transformPipeline.GetModelViewProjectionMatrix(),
torusColor) ;
torusBatch.Draw() ;
modelViewMatrix.PopMatrix() ;
glutSwapBuffers() ;
glutPostRedisplay() ;
}
int main (int argc, char* argv[])
{
gltSetWorkingDirectory(argv[0]) ;
glutInit(&argc, argv) ;
glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH) ;
glutInitWindowSize(800, 600) ;
glutCreateWindow("Sphere World") ;
glutReshapeFunc(ChangeSize) ;
glutDisplayFunc(RenderScene) ;
GLenum err = glewInit() ;
SetupRC() ;
glutMainLoop() ;
return 0 ;
}