Algorithms-Python/3dtrans.py at master · DanishSheikh1999/Algorithms-Python · GitHub

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import numpy as np
import pygame
from pygame.locals import *
from OpenGL.GL import *
from OpenGL.GLU import *
from math import *

verticies = (
    (1, -1, -1),
    (1, 1, -1),
    (-1, 1, -1),
    (-1, -1, -1),
    (1, -1, 1),
    (1, 1, 1),
    (-1, -1, 1),
    (-1, 1, 1)
    )

edges = (
    (0,1),
    (0,3),
    (0,4),
    (2,1),
    (2,3),
    (2,7),
    (6,3),
    (6,4),
    (6,7),
    (5,1),
    (5,4),
    (5,7)
    )


def Cube(vertices):
    glBegin(GL_LINE)
    vertices = tuple(map(tuple, vertices))
    for edge in edges:
        for vertex in edge:
            glVertex3fv(vertices[vertex])
    glEnd()

def overall_scalling(vert):
    vert = np.hstack((vert, np.ones((vert.shape[0], 1), dtype=vert.dtype)))
    print("Enter the scaling factor")
    s = float(input())
    trasn = np.array([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [0, 0, 0, s]], dtype=float)
    vert = vert.dot(trasn)
    vert=vert/s;
    vert=np.delete(vert,3,1)
    print(vert)
    return vert
def local_scalling(vert):
    vert = np.hstack((vert, np.ones((vert.shape[0], 1), dtype=vert.dtype)))
    print("Enter the scaling factor in x,y and z")
    x,y,z = [float(x) for x in input().split()]
    trans = np.array([[x, 0, 0, 0], [0, y, 0, 0], [0, 0, z, 0], [0, 0, 0, 1]], dtype=float)
    vert = vert.dot(trans)
    vert=np.delete(vert,3,1)
    print(vert)
    return vert
def translation(vert):
    vert = np.hstack((vert, np.ones((vert.shape[0], 1), dtype=vert.dtype)))
    x,y,z = [float(x) for x in input("Enter the translation in x,y and z").split()]
    trans = np.array([[1, 0, 0, 0], [0, 1, 0, 0], [0, 0, 1, 0], [x, y, z, 1]], dtype=float)
    vert = vert.dot(trans)
    vert=np.delete(vert,3,1)
    print(vert)
    return vert
def rotation(vert):
    vert = np.hstack((vert, np.ones((vert.shape[0], 1), dtype=vert.dtype)))
    angle = float(input("Enter the angle"))*3.14/180
    axis=input("Enter the axis of roatation:")
    if axis =='x':
        trans = np.array([[0, 0, 1, 0], [ cos(angle), sin(angle),0, 0], [ -sin(angle), cos(angle),0, 0], [0, 0, 0, 1]], dtype=float)
    if axis =='y':
        trans = np.array([[cos(angle), 0, -sin(angle), 0], [0, 1, 0, 0], [sin(angle), 0, cos(angle), 0], [0, 0, 0, 1]], dtype=float)
    if axis =='z':
        trans = np.array([[cos(angle), sin(angle), 0, 0], [ -sin(angle), cos(angle),0, 0], [ 0, 0,1, 0], [0, 0, 0, 1]], dtype=float)

    vert = vert.dot(trans)
    vert=np.delete(vert,3,1)
    print(vert)
    return vert
def main():
    pygame.init()
    display = (800,600)
    pygame.display.set_mode(display, DOUBLEBUF|OPENGL)

    gluPerspective(45, (display[0]/display[1]), 0.1, 50.0)

    glTranslatef(0.0,0.0, -5)
    vert = np.asarray(verticies, dtype=float)


    while True:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
                quit()
            if event.type==KEYDOWN:
                if event.key==K_UP:
                    glRotatef(15,1,0,0)
                if event.key==K_DOWN:
                    glRotatef(-15,1,0,0)
                if event.key==K_LEFT:
                    glRotatef(15,0,1,0)
                if event.key==K_RIGHT:
                    glRotatef(-15,0,1,0)
                if event.key==K_RSHIFT:
                    glTranslatef(0.0, 0.0, -3)
                if event.key==K_RCTRL:
                    glTranslatef(-3, 0.0, 0)
                if event.key==K_LCTRL:
                    glTranslatef(3, 0.0, 0)
                if event.key==K_s:
                    vert = overall_scalling(vert)
                if event.key==K_l:
                    vert = local_scalling(vert)
                if event.key==K_t:
                    vert=translation(vert)
                if event.key==K_r:
                    vert=rotation(vert)
        glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT)
        Cube(verticies)
        Cube(vert)
        pygame.display.flip()
        pygame.time.wait(10)


main()