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| 專案檔內需有freeglut.dll、glm.cpp、glm.h、obj模型檔 |
用Notepad++開啟專案.cbp
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| 將working_dir="位置"改成"." *注意有兩個位置須改 |
四個關節+滑鼠拖移
叫出身體模型，設定四個關節，左右肩膀及左右手臂，並加入滑鼠拖移手臂揮動
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#include <GL/glut.h>
#include "glm.h"
GLMmodel *pmodelA=NULL;///身體, Al.obj
GLMmodel *pmodelB=NULL;///手臂, porsche.obj
GLMmodel *pmodelC=NULL;///手臂, porsche.obj
GLMmodel *pmodelD=NULL;
GLMmodel *pmodelE=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 };
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 drawBody()
{
if(pmodelA==NULL){
pmodelA=glmReadOBJ("Al.obj");
glmUnitize(pmodelA);
glmFacetNormals(pmodelA);
glmVertexNormals(pmodelA, 90);
}
glPushMatrix();
glRotatef(180, 0,1,0);
glmDraw(pmodelA, GLM_SMOOTH | GLM_MATERIAL);
glPopMatrix();
}
int angle=30;
void drawArm()
{
if(pmodelB==NULL){
pmodelB=glmReadOBJ("porsche.obj");
glmUnitize(pmodelB);
glmFacetNormals(pmodelB);
glmVertexNormals(pmodelB, 90);
}
glPushMatrix();
glRotatef(90, 0,1,0);
glScalef(0.3, 0.3, 0.3);
glmDraw(pmodelB, GLM_SMOOTH | GLM_MATERIAL);
glPopMatrix();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
///glutSolidSphere(0.1, 30,30);///原點、圓心
drawBody();
///右手臂
glPushMatrix();
glTranslatef(0.5, 0.4, 0);
glRotatef(angle, 0,0,1);
glTranslatef(0.3, 0, 0);
drawArm();///右上手臂
glPushMatrix();
glTranslatef(0.25, 0, 0);
glRotatef(angle, 0,0,1);
glTranslatef(0.3, 0, 0);
drawArm();///右下手臂
glPopMatrix();
glPopMatrix();
///左手臂
glPushMatrix();
glTranslatef(-0.5, 0.4, 0);
glRotatef(angle, 0,0,1);
glTranslatef(-0.3, 0, 0);
drawArm();///左上手臂
glPushMatrix();
glTranslatef(-0.25, 0, 0);
glRotatef(angle, 0,0,1);
glTranslatef(-0.3, 0, 0);
drawArm();///左下手臂
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int oldX, oldY;
void mouse(int button, int state, int x, int y)
{
oldX=x;
}
void motion(int x, int y)
{
angle += (x-oldX);
oldX=x;
glutPostRedisplay();
}
int main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("GLUT Shapes");
glutDisplayFunc(display);
glutMotionFunc(motion);
glutMouseFunc(mouse);
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();
}
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最終版_加入按鍵控制各關節
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#include <GL/glut.h>
#include "glm.h"
GLMmodel *pmodelA=NULL;///身體, Al.obj
GLMmodel *pmodelB=NULL;///手臂, porsche.obj
GLMmodel *pmodelC=NULL;///手臂, porsche.obj
GLMmodel *pmodelD=NULL;
GLMmodel *pmodelE=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 };
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 drawBody()
{
if(pmodelA==NULL){
pmodelA=glmReadOBJ("Al.obj");
glmUnitize(pmodelA);
glmFacetNormals(pmodelA);
glmVertexNormals(pmodelA, 90);
}
glPushMatrix();
glRotatef(180, 0,1,0);
glmDraw(pmodelA, GLM_SMOOTH | GLM_MATERIAL);
glPopMatrix();
}
int angle[4]={30,30,30,30};
int angleID=0;
void drawArm()
{
if(pmodelB==NULL){
pmodelB=glmReadOBJ("porsche.obj");
glmUnitize(pmodelB);
glmFacetNormals(pmodelB);
glmVertexNormals(pmodelB, 90);
}
glPushMatrix();
glRotatef(90, 0,1,0);
glScalef(0.3, 0.3, 0.3);
glmDraw(pmodelB, GLM_SMOOTH | GLM_MATERIAL);
glPopMatrix();
}
void keyboard(unsigned char key, int x,int y)
{
if(key=='0') angleID=0;
if(key=='1') angleID=1;
if(key=='2') angleID=2;
if(key=='3') angleID=3;
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
///glutSolidSphere(0.1, 30,30);///原點、圓心
drawBody();
glPushMatrix();///右手臂
glTranslatef(0.5, 0.4, 0);
glRotatef(angle[0], 0,0,1);
glTranslatef(0.3, 0, 0);
drawArm();///右上手臂
glPushMatrix();
glTranslatef(0.25, 0, 0);
glRotatef(angle[1], 0,0,1);
glTranslatef(0.3, 0, 0);
drawArm();///右下手臂
glPopMatrix();
glPopMatrix();
glPushMatrix();///左手臂
glTranslatef(-0.5, 0.4, 0);
glRotatef(angle[2], 0,0,1);
glTranslatef(-0.3, 0, 0);
drawArm();///左上手臂
glPushMatrix();
glTranslatef(-0.25, 0, 0);
glRotatef(angle[3], 0,0,1);
glTranslatef(-0.3, 0, 0);
drawArm();///左下手臂
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int oldX, oldY;
void mouse(int button, int state, int x, int y)
{
oldX=x;
}
void motion(int x, int y)
{
angle[angleID] += (x-oldX);
oldX=x;
glutPostRedisplay();
}
int main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("GLUT Shapes");
glutDisplayFunc(display);
glutMotionFunc(motion);
glutMouseFunc(mouse);
glutKeyboardFunc(keyboard);
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();
}
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