Example #1
0
def draw_rotational_joint_endCap(r, sides):
    if config.enable_lighting:
        material.blue()
    else:
        glColor3f(0, 1.0, 1.0)
    glBegin(GL_TRIANGLE_FAN)
    glVertex3f(0, r / 2, 0)
    for angle in numpy.arange(0, 2 * PI, 2 * PI / sides):
        glVertex3f(math.cos(angle) * r, math.sin(angle) * r, 0)
    glVertex3f(r, 0, 0)
    glEnd()

    if config.enable_lighting:
        material.black()
    else:
        glColor3f(0, 0, 0)
    glLineWidth(1.5)
    glBegin(GL_LINE_LOOP)
    for angle in numpy.arange(0, 2 * PI, 2 * PI / sides):
        glVertex3f(math.cos(angle) * r, math.sin(angle) * r, 0)
    glEnd()

    def arrow(z):
        glVertex3f(0, 0, z)
        glVertex3f(r, 0, z)
        glVertex3f(r, 0, z)
        glVertex3f(r - r * .5, r * .5, z)
        glVertex3f(r, 0, z)
        glVertex3f(r - r * .5, -r * .5, z)

    glBegin(GL_LINES)
    arrow(0.1)
    arrow(-0.1)
    glEnd()
    glLineWidth(1.0)
Example #2
0
def draw_rotational_joint(startP, endP, r, link_rotation): #draws cylinder from sP to eP
    glPushMatrix()

    # This is the default direction for the cylinders to face in OpenGL - z axis
    z = numpy.array([0.0, 0.0, 1.0])

    # Get diff between two points you want cylinder along
    startP = numpy.array(startP, float).transpose()[0]
    endP = numpy.array(endP, float).transpose()[0]
    p = startP - endP

    # Get CROSS product (the axis of rotation)
    t = numpy.cross(z, p)

    #Get angle. LENGTH is magnitude of the vector
    length = math.sqrt(numpy.dot(p, p))
    angle = 180 / PI * math.acos(numpy.dot(z, p) / length)
    glRotate(angle, t[0], t[1], t[2])
    glRotate(link_rotation + 90.0, 0.0, 0.0, 1.0)
    if config.enable_lighting:
        material.blue()
    else:
        glColor3f(0, 1.0, 1.0)

    sides = r*5
    glTranslate(0, 0, -length/2)
    quad = gluNewQuadric()
    gluQuadricOrientation(quad, GLU_OUTSIDE);
    gluCylinder(quad, r, r, length, sides, 1);
    gluDeleteQuadric(quad)

    draw_rotational_joint_endCap(r, sides)
    glTranslate(0, 0, length)
    draw_rotational_joint_endCap(r, sides)
    glPopMatrix()
Example #3
0
def draw_rotational_joint_endCap(r, sides):
    if config.enable_lighting:
        material.blue()
    else:
        glColor3f(0, 1.0, 1.0)
    glBegin(GL_TRIANGLE_FAN)
    glVertex3f(0, r/2, 0)
    for angle in numpy.arange(0, 2*PI, 2*PI/sides):
        glVertex3f(math.cos(angle)*r, math.sin(angle)*r,0)
    glVertex3f(r, 0, 0)
    glEnd()

    if config.enable_lighting:
        material.black()
    else:
        glColor3f(0, 0, 0)
    glLineWidth(1.5)
    glBegin(GL_LINE_LOOP)
    for angle in numpy.arange(0, 2*PI, 2*PI/sides):
        glVertex3f(math.cos(angle)*r, math.sin(angle)*r, 0)
    glEnd()

    def arrow(z):
        glVertex3f(0, 0, z)
        glVertex3f(r, 0, z)
        glVertex3f(r, 0, z)
        glVertex3f(r-r*.5, r*.5, z)
        glVertex3f(r, 0, z)
        glVertex3f(r-r*.5, -r*.5, z)

    glBegin(GL_LINES)
    arrow(0.1)
    arrow(-0.1)
    glEnd()
    glLineWidth(1.0)
Example #4
0
def draw_rotational_joint(startP, endP, r, link_rotation): #draws cylinder from sP to eP
    glPushMatrix()

    # This is the default direction for the cylinders to face in OpenGL - z axis
    z = numpy.array([0.0, 0.0, 1.0])
    
    # Get diff between two points you want cylinder along
    startP = numpy.array(startP, float).transpose()[0]
    endP = numpy.array(endP, float).transpose()[0]
    p = startP - endP
    
    # Get CROSS product (the axis of rotation)
    t = numpy.cross(z, p)

    #Get angle. LENGTH is magnitude of the vector
    length = math.sqrt(numpy.dot(p, p))
    angle = 180 / PI * math.acos(numpy.dot(z, p) / length)
    glRotate(angle, t[0], t[1], t[2])
    glRotate(link_rotation + 90.0, 0.0, 0.0, 1.0)
    if config.enable_lighting:
        material.blue()
    else:
        glColor3f(0, 1.0, 1.0)
    
    sides = r*5
    glTranslate(0, 0, -length/2)
    quad = gluNewQuadric()
    gluQuadricOrientation(quad, GLU_OUTSIDE);
    gluCylinder(quad, r, r, length, sides, 1);
    gluDeleteQuadric(quad)
    
    draw_rotational_joint_endCap(r, sides)
    glTranslate(0, 0, length)
    draw_rotational_joint_endCap(r, sides)
    glPopMatrix()
Example #5
0
def draw_axes(axes_l=10, number=''):
    glLineWidth(5.0)
    glBegin(GL_LINES)

    # x axis, red

    if config.enable_lighting:
        material.red()
    else:
        glColor3f(1.0, 0, 0)
    glVertex3f(0, 0, 0)
    glVertex3f(axes_l, 0, 0)

    # y axis, green

    if config.enable_lighting:
        material.green()
    else:
        glColor3f(0, 1.0, 0)
    glVertex3f(0, 0, 0)
    glVertex3f(0, axes_l, 0)

    # z axis

    if config.enable_lighting:
        material.blue()
    else:
        glColor3f(0, 0, 1.0)
    glVertex3f(0, 0, 0)
    glVertex3f(0, 0, axes_l)

    glEnd()

    glLineWidth(1.0)

    offset = axes_l / 7

    text_at_pos(offset + axes_l, 0, 0, 'X' + number)
    text_at_pos(0, offset + axes_l, 0, 'Y' + number)
    text_at_pos(0, 0, offset + axes_l, 'Z' + number)
Example #6
0
def draw_axes(axes_l = 10, number=''):
    glLineWidth(5.0)
    glBegin(GL_LINES)

    # x axis, red

    if config.enable_lighting:
        material.red()
    else:
        glColor3f(1.0, 0, 0)
    glVertex3f(0, 0, 0)
    glVertex3f(axes_l, 0, 0)
    
    # y axis, green

    if config.enable_lighting:
        material.green()
    else:
        glColor3f(0, 1.0, 0)
    glVertex3f(0, 0, 0)
    glVertex3f(0, axes_l, 0)
    
    # z axis

    if config.enable_lighting:
        material.blue()
    else:
        glColor3f(0, 0, 1.0)
    glVertex3f(0, 0, 0)
    glVertex3f(0, 0, axes_l)

    glEnd()
    
    glLineWidth(1.0)
    
    offset = axes_l/7
    
    text_at_pos(offset + axes_l, 0, 0, 'X' + number)
    text_at_pos(0, offset + axes_l, 0, 'Y' + number)
    text_at_pos(0, 0, offset + axes_l, 'Z' + number)