Develop
2003.04.23 10:52
[c] OpenGL 마우스 이벤트
조회 수 8751 댓글 0
OpenGL 마우스 이벤트 처리 예제
#include<stdio.h> #include<stdlib.h> #include<GL/glut.h> short rightbuttonpressed = 0; double r=1.0, g=0.0, b=0.0; void display(void){ glClearColor(r, g, b, 1.0); glClear(GL_COLOR_BUFFER_BIT); glColor3f(1.0, 1.0, 1.0); glBegin(GL_LINES); glVertex2f(-1.0, 0.0); glVertex2f(0.0, 0.0); glEnd(); glFlush(); } void keyboard(unsigned char key, int x, int y){ switch(key){ case 'r' : r=1.0; g=b=0.0; glutPostRedisplay(); break; case 'g' : g=1.0; r=b=0.0; glutPostRedisplay(); break; case 'b' : b=1.0; r=g=0.0; glutPostRedisplay(); break; case 'q': exit(0); } } void mousepress(int button, int state, int x, int y){ if((button==GLUT_LEFT_BUTTON) && (state==GLUT_DOWN)) printf("*** The left mouse button was pressed at (%d, %d)n", x, y); else if((button==GLUT_RIGHT_BUTTON) && (state==GLUT_DOWN)) rightbuttonpressed = 1; else if((button==GLUT_RIGHT_BUTTON) && (state==GLUT_UP)) rightbuttonpressed = 0; } void mousemove(int x, int y){ if(rightbuttonpressed) printf("$$$ The right mouse button is now at (%d, %d).n",x,y); } void reshape(int width, int height){ printf("### The new windows size is %dx%d.n",width, height); } void RegisterCallback(void){ glutDisplayFunc(display); glutKeyboardFunc(keyboard); glutMouseFunc(mousepress); glutMotionFunc(mousemove); glutReshapeFunc(reshape); } void main(int argc, char **argv){ glutInit(&argc, argv); glutInitDisplayMode(GLUT_RGBA); glutInitWindowSize(500,500); glutCreateWindow("My Second OpenGL Code"); RegisterCallback(); glutMainLoop(); }
번호 | 분류 | 제목 | 글쓴이 | 날짜 | 조회 수 |
---|---|---|---|---|---|
97 | Develop | [android] Calling activity function from separate class | hooni | 2016.11.15 | 1296 |
96 | Develop |
[ios] Facebook SDK 로그인 설명
![]() |
hooni | 2017.04.19 | 1292 |
95 | Develop | [ios] NavigationController 에서 왼쪽(back) 버튼 후킹하기 | hooni | 2015.10.23 | 1288 |
94 | Develop | [coding] Find all anagrams in a string | hooni | 2017.06.27 | 1278 |
93 | Develop | [js] Click button copy to clipboard | hooni | 2018.04.05 | 1276 |
92 | Develop | [ios] 코코아 프로그래밍의 네이밍 룰(명명 규칙) | hooni | 2017.05.11 | 1267 |
91 | Develop |
GPL, AGPL, MPL,.. 한눈에 보는 오픈소스SW 라이선스
![]() |
hooni | 2014.10.14 | 1250 |
90 | Develop | [ios] Objective-C Types & Storage Capacity | hooni | 2015.07.22 | 1249 |
89 | Develop |
[maven] Mac OS에 메이븐(maven) 설치하기
![]() |
hooni | 2015.01.21 | 1210 |
88 | Develop | [ios] UIView 계층구조 | hooni | 2015.01.03 | 1208 |
87 | Develop | [ios] 최상위 ViewController 가져오기 | hooni | 2015.10.12 | 1189 |
86 | Develop |
[ios] FlckrFeed Example App (Swift)
![]() |
hooni | 2016.11.27 | 1189 |