幽羊山之土-Week11_T-R-T 旋轉

1.階層轉動骨架

開啟GLUT程式 (week01

 進入transmission zero 網站,下載 freeglut 3.0.0 MinGW Package 
 在 CodeBlocks 開啟GLUTproject

寫階層轉動T-R-T 旋轉程式:

#include <GL/glut.h> float angle=0; void display() { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glColor3f(255,255,255);///白色 glutSolidTeapot( 0.3 );///身體 glPushMatrix();///右邊的手臂 glTranslatef(0.2, 0,0 );///(3)往右移動, 掛在身體的右肩 glRotatef(angle, 0,0,1);///(2)旋轉 glTranslatef(0.28, 0,0);///(1)往右推,把茶壼的柄,放到中心,變 轉動軸 glColor3f(255,0,0);///紅色 glutSolidTeapot( 0.2 );///上手臂 glPushMatrix();///右下手臂 glTranslatef(0.2, 0,0 );///(3)往右移動, 掛在身體的右肘 glRotatef(angle, 0,0,1);///(2)旋轉 glTranslatef(0.28, 0,0);///(1)往右推,把茶壼的柄,放到中心,變 轉動軸 glColor3f(255,0,0);///紅色 glutSolidTeapot( 0.2 );///上手臂 glPopMatrix(); glPopMatrix(); glPushMatrix();///左邊的手臂 glTranslatef(-0.2, 0,0 );///(3)往左移動, 掛在身體的左肩 glRotatef(-angle, 0,0,1);///(2)旋轉 glTranslatef(-0.28, 0,0);///(1)往左推,把茶壼的柄,放到中心,變 轉動軸 glColor3f(255,0,0);///紅色 glutSolidTeapot( 0.2 );///上手臂 glPushMatrix();///左下手臂 glTranslatef(-0.2, 0,0 );///(3)往左移動, 掛在身體的左肘 glRotatef(-angle, 0,0,1);///(2)旋轉 glTranslatef(-0.28, 0,0);///(1)往左推,把茶壼的柄,放到中心,變 轉動軸 glColor3f(255,0,0);///紅色 glutSolidTeapot( 0.2 );///上手臂 glPopMatrix(); glPopMatrix(); glutSwapBuffers(); ///angle++;///Now2!!! } void motion(int x, int y)///Now2!!! { angle = x;///Now2!!! display();///Now2!!! } int main(int argc, char**argv) { glutInit(&argc, argv); glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH); glutCreateWindow("week11 TRT"); glutIdleFunc(display);///Now!!!! glutDisplayFunc(display); glutMotionFunc(motion);///Now2!!! glutMainLoop(); }

2.鍵盤按鍵

#include <GL/glut.h> float angle[20];///用陣列,來取代很多個變數///Now4!! ///float angle1=0, angle2, angle3, angle4;///Now3!!! int jointID=1;///1,2,3,4///Now3!!! void display(){ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glColor3f(255,255,255);//白色 glutSolidTeapot( 0.3 );//身體 glPushMatrix();//右邊的手臂 glTranslatef(0.2, 0,0 );//(3)往右移動, 掛在身體的右肩 glRotatef(angle[1], 0,0,1);//(2)旋轉 glTranslatef(0.28, 0,0);//(1)往右推,把茶壼的柄,放到中心,變 轉動軸 glColor3f(255,0,0);//紅色 glutSolidTeapot( 0.2 );//上手臂 glPushMatrix();//右下手臂 glTranslatef(0.2, 0,0 );//(3)往右移動, 掛在身體的右肘 glRotatef(angle[2], 0,0,1);//(2)旋轉 glTranslatef(0.28, 0,0);//(1)往右推,把茶壼的柄,放到中心,變 轉動軸 glColor3f(255,0,0);//紅色 glutSolidTeapot( 0.2 );//下手臂 glPopMatrix(); glPopMatrix(); glPushMatrix();//左邊的手臂 glTranslatef(-0.2, 0,0 );//(3)往左移動, 掛在身體的左肩 glRotatef(-angle[3], 0,0,1);//(2)旋轉 glTranslatef(-0.28, 0,0);//(1)往左推,把茶壼的柄,放到中心,變 轉動軸 glColor3f(255,0,0);//紅色 glutSolidTeapot( 0.2 );//上手臂 glPushMatrix();//左下手臂 glTranslatef(-0.2, 0,0 );//(3)往左移動, 掛在身體的左肘 glRotatef(-angle[4], 0,0,1);//(2)旋轉 glTranslatef(-0.28, 0,0);//(1)往左推,把茶壼的柄,放到中心,變 轉動軸 glColor3f(255,0,0);//紅色 glutSolidTeapot( 0.2 );//下手臂 glPopMatrix(); glPopMatrix(); glutSwapBuffers(); ///angle++;///Now2!!! } int oldX, oldY; void mouse(int button, int state, int x, int y)///Now5!!!! {///當mouse按下去時,要記下!! 要記得要讓它有作用!! oldX = x; oldY = y;///Now5!!!! } void motion(int x, int y)///Now2!!!{ angle[jointID] += x -oldX;///Now4!!!!///Now5!!!! oldX = x;///Now5!!!! ///if(jointID==1) angle1 = x;///Now2!!!///Now3!!! ///if(jointID==2) angle2 = x;///Now2!!!///Now3!!! ///if(jointID==3) angle3 = x;///Now2!!!///Now3!!! ///if(jointID==4) angle4 = x;///Now2!!!///Now3!!! display();///Now2!!! } void keyboard(unsigned char key, int x, int y){///Now3!!! /// jointID = key - '0';///雖然可以這樣簡化,但下面易看 if(key=='1') jointID=1;///Now3!!! if(key=='2') jointID=2;///Now3!!! if(key=='3') jointID=3;///Now3!!! if(key=='4') jointID=4;///Now3!!! } int main(int argc, char**argv){ glutInit(&argc, argv); glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH); glutCreateWindow("week11 TRT"); glutIdleFunc(display);///Now!!!! glutDisplayFunc(display); glutMotionFunc(motion);///Now2!!! glutMouseFunc(mouse);///Now5!!!! glutKeyboardFunc(keyboard);///Now3!!! glutMainLoop(); }