2021Graphics/Source/07_3DScene/3DObjects_03Animation.py at main · dknife/2021Graphics · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82

from PyQt5.QtWidgets import *
from PyQt5.QtCore import QBasicTimer


from OpenGL.GL import *
from OpenGL.GLU import *
import math
import sys

class MyOpenGLWidget(QOpenGLWidget):
    def __init__(self):
        super().__init__()
        self._timer = QBasicTimer()              # ^{\it \color{gray}타이머 생성}^
        self._timer.start(int(1000 / 60), self)  # ^{\it \color{gray}초당 60 프레임}^
        self.angle = 0.0

    def initializeGL(self):
        glClearColor(0.5, 0.5, 0.5, 1.0)

    def paintGL(self):
        glClear(GL_COLOR_BUFFER_BIT)
        glMatrixMode(GL_MODELVIEW)
        glLoadIdentity()
        glTranslate(0.5, 0, 0)
        glRotatef(self.angle, 0, 1, 0)
        draw_axes()

        glColor3f(1, 1, 0)
        glBegin(GL_LINE_LOOP)
        glVertex3f(-0.5, -0.5, 1)
        glVertex3f( 0.5, -0.5, 1)
        glVertex3f( 0.5,  0.5, 1)
        glVertex3f(-0.5,  0.5, 1)
        glEnd()

        glColor3f(0, 1, 1)
        glBegin(GL_LINE_LOOP)
        glVertex3f(-0.5, -0.5, 0)
        glVertex3f( 0.5, -0.5, 0)
        glVertex3f( 0.5,  0.5, 0)
        glVertex3f(-0.5,  0.5, 0)
        glEnd()

        glFlush()

    def resizeGL(self, w, h):
        glMatrixMode(GL_PROJECTION)
        glLoadIdentity()
        glOrtho(-2, 2, -2, 2, -2, 2)

    def timerEvent(self, QTimerEvent):
        self.angle += 1.0
        self.update()


def main():
    app = QApplication(sys.argv)

    win = MyOpenGLWidget()
    win.show()

    app.exec()

def draw_axes():
    #### 축 그리기
    glBegin(GL_LINES)
    glColor3f(1,0,0)
    glVertex3f(0,0,0)
    glVertex3f(1,0,0)
    glColor3f(0,1,0)
    glVertex3f(0,0,0)
    glVertex3f(0,1,0)
    glColor3f(0,0,1)
    glVertex3f(0,0,0)
    glVertex3f(0,0,1)
    glEnd()

###################################
if __name__ == '__main__':
    main()