#Week09
##week09-0_sampple
安裝freeglut再把libfreeglut.a複製成libglut32.a
File-New-Project,GLUT專案
##複習上週week08-3
複製鋼彈程式碼
##week09-1_glm_gundam_opencv_texture_lighting
///先把 week08-1_glm_gundam 的程式貼上來
///等一下, 要再加貼圖的 18行程式
#include <opencv/highgui.h> ///使用 OpenCV 2.1 比較簡單, 只要用 High GUI 即可
#include <opencv/cv.h>
#include <GL/glut.h>
int myTexture(char * filename)
{
IplImage * img = cvLoadImage(filename); ///OpenCV讀圖
cvCvtColor(img,img, CV_BGR2RGB); ///OpenCV轉色彩 (需要cv.h)
glEnable(GL_TEXTURE_2D); ///1. 開啟貼圖功能
GLuint id; ///準備一個 unsigned int 整數, 叫 貼圖ID
glGenTextures(1, &id); /// 產生Generate 貼圖ID
glBindTexture(GL_TEXTURE_2D, id); ///綁定bind 貼圖ID
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT); /// 貼圖參數, 超過包裝的範圖T, 就重覆貼圖
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT); /// 貼圖參數, 超過包裝的範圖S, 就重覆貼圖
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); /// 貼圖參數, 放大時的內插, 用最近點
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); /// 貼圖參數, 縮小時的內插, 用最近點
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img->width, img->height, 0, GL_RGB, GL_UNSIGNED_BYTE, img->imageData);
return id;
}
#include <GL/glut.h>
#include "glm.h"
GLMmodel * pmodel = NULL;
void drawmodel(void)
{
if (!pmodel) {
pmodel = glmReadOBJ("data/Gundam.obj");
if (!pmodel) exit(0);
glmUnitize(pmodel);
glmFacetNormals(pmodel);
glmVertexNormals(pmodel, 90.0);
}
glmDraw(pmodel, GLM_SMOOTH | GLM_TEXTURE);
}
float angle = 0; ///加這行, 讓它轉動
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glPushMatrix(); ///加這行, 讓它轉動
glRotatef(angle++, 0, 1, 0); ///加這行, 讓它轉動
drawmodel(); //glutSolidTeapot( 0.3 );
glPopMatrix(); ///加這行, 讓它轉動
glutSwapBuffers();
}
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 };///加這行, 讓它轉動
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 };
int main(int argc, char*argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("week08 Gundam");
glutDisplayFunc(display);
glutIdleFunc(display); ///加這行, 讓它轉動
myTexture("data/Diffuse.jpg");
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();
}
##week09-2_glutSolidTeapot_glutSolidCube_glutSolidSphere
#include <GL/glut.h>
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(-0.5,+0.3,0);
glutSolidTeapot(0.3);
glPopMatrix();
glPushMatrix();
glTranslatef(+0.0,+0.3,0);
glutSolidCube(0.3);
glPopMatrix();
glPushMatrix();
glTranslatef(+0.5,+0.3,0);
glutSolidSphere(0.3,30,30);
glPopMatrix();
glutSwapBuffers();
}
int main(int argc, char*argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week09 Microsoft Visual Studio");
glutDisplayFunc(display);
glutMainLoop();
}
##week09-3_glutWireTeapot_glutWireCube_glutWireSphere
#include <GL/glut.h>
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(-0.5,+0.3,0);
glutSolidTeapot(0.3);
glPopMatrix();
glPushMatrix();
glTranslatef(+0.0,+0.3,0);
glutSolidCube(0.3);
glPopMatrix();
glPushMatrix();
glTranslatef(+0.5,+0.3,0);
glutSolidSphere(0.3,30,30);
glPopMatrix();
glPushMatrix();
glTranslatef(-0.5,-0.3,0);
glutWireTeapot(0.3);
glPopMatrix();
glPushMatrix();
glTranslatef(+0.0,-0.3,0);
glutWireCube(0.3);
glPopMatrix();
glPushMatrix();
glTranslatef(+0.5,-0.3,0);
glutWireSphere(0.3,30,30);
glPopMatrix();
glutSwapBuffers();
}
int main(int argc, char*argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week09 Microsoft Visual Studio");
glutDisplayFunc(display);
glutMainLoop();
}
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