weeeeeeeeeek10

目標 : 用Codeblock打開transformation視窗

首先跟平常一樣打開codeblock弄好freeglut，下載source裡面選擇transformation、glm.c、glm.h。

(1)將glm.c改成glm.cpp，把glm.h跟glm.cpp放到codeblock資料夾內

(2)下載data丟到freeglut裡的bin

(3)將transformation內容丟到codeblock

(4)在codeblock左邊資料新增檔案 - glm.cpp

(5)完成

目標 : 打光、旋轉

#include <GL/glut.h>

#include "glm.h"

GLMmodel * model=NULL;

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 };  ///決定燈光從哪裡來

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(model==NULL)

    {

        model = glmReadOBJ("data/Al.obj");

        glmUnitize(model);

        glmFacetNormals(model);

        glmVertexNormals(model,90);

    }

    glPushMatrix();

        glRotatef(180,0,1,0);

        glmDraw(model,GLM_SMOOTH | GLM_MATERIAL);

    glPopMatrix();

    glutSwapBuffers();

}

int main(int argc, char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week 10");

    glutDisplayFunc(display);

    glEnable(GL_DEPTH_TEST);

    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();

}