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➤這週要多下載一個source檔，先準備好~
2. source.zip / data.zip / windows.zip / glut32.dll download
3. windows / data | windows / glut32.dll
➤準備好freeglut
今天課題!
「讀入3D模型」
★★★★★ Code:Blocks →REBUILD(Debug)
今天的程式碼：
#include <GL/glut.h>
#include "glm.h" ///步驟一、使用GLM ///雙引號裡面打的，要放在同一個目錄裡
GLMmodel* pmodel = NULL; ///步驟二、GLMmodel變數，等一下讀入的3D模型
const GLfloat light_ambient[] = { 0.0f, 0.0f, 0.0f, 1.0f };
const GLfloat light_diffuse[] = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat light_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat light_position[] = { 2.0f, 5.0f, 5.0f, 0.0f };
const GLfloat mat_ambient[] = { 0.7f, 0.7f, 0.7f, 1.0f };
const GLfloat mat_diffuse[] = { 0.8f, 0.8f, 0.8f, 1.0f };
const GLfloat mat_specular[] = { 1.0f, 1.0f, 1.0f, 1.0f };
const GLfloat high_shininess[] = { 100.0f };
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if(!pmodel){ ///步驟三、讀入3D模型
pmodel = glmReadOBJ("data/soccerball.obj"); ///開啟3D模型的檔案位置
if(!pmodel) exit(0);
glmUnitize(pmodel);
glmFacetNormals(pmodel);
glmVertexNormals(pmodel,90.0);
}
glmDraw(pmodel,GLM_SMOOTH | GLM_MATERIAL);
glutSwapBuffers();
}
int main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode( GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("06160504_week06");
glutDisplayFunc(display);
glClearColor(1,1,1,1);
glEnable(GL_CULL_FACE);
glCullFace(GL_BACK);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
glEnable(GL_LIGHT0);
glEnable(GL_NORMALIZE);
glEnable(GL_COLOR_MATERIAL);
glEnable(GL_LIGHTING);
glLightfv(GL_LIGHT0, GL_AMBIENT, light_ambient);
glLightfv(GL_LIGHT0, GL_DIFFUSE, light_diffuse);
glLightfv(GL_LIGHT0, GL_SPECULAR, light_specular);
glLightfv(GL_LIGHT0, GL_POSITION, light_position);
glMaterialfv(GL_FRONT, GL_AMBIENT, mat_ambient);
glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
glMaterialfv(GL_FRONT, GL_SHININESS, high_shininess);
glutMainLoop();
}
第一個bug：(找不到glm.h檔)
解決方法：
→ glm.h檔，要放置和專案同個資料夾
第二個bug：(無法使用glm的程式碼)
解決方法：
→ 將glm.cpp檔，加入到專案的程式內
最後成品：
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