def compile(self):
glPolygonMode(GL_FRONT_AND_BACK, self.POLYGON_MODE)
A = np.linspace(0, np.pi * 2, self.slices, endpoint=True)
X = np.cos(A) * self.radius
Y = np.sin(A) * self.radius
# Draw top face
with utils.glPrimitive(GL_TRIANGLE_FAN):
glNormal3i(0, 0, 1)
h = self.height / 2.
glVertex3f(0, 0, h)
for x, y in zip(X, Y):
glVertex3f(x, y, h)
# Draw bottom face
with utils.glPrimitive(GL_TRIANGLE_FAN):
glNormal3i(0, 0, -1)
h = -self.height / 2.
glVertex3f(0, 0, h)
for x, y in zip(*map(reversed, (X, Y))):
glVertex3f(x, y, h)
# Draw side faces
with utils.glPrimitive(GL_QUAD_STRIP):
h = self.height / 2.
glNormal3d(x, y, 0)
for x, y in zip(X, Y):
glVertex3f(x, y, -h)
glVertex3f(x, y, h)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
def compile(self):
a = self.radius / 2.
with utils.glPrimitive(GL_QUADS):
# glVertex3f(a, a, 0)
# glVertex3f(-a, a, 0)
# glVertex3f(-a, -a, 0)
# glVertex3f(a, -a, 0)
glVertex3f(a, a, 0)
glVertex3f(a, -a, 0)
glVertex3f(-a, -a, 0)
glVertex3f(-a, a, 0)
def compile(self):
r = self.radius
d = 0.05 * r
h = 0.4 * d
b = .9
glDisable(GL_LIGHTING)
colors = [(b, .2, .2), (.2, b, .2), (.2, .2, b)]
vertices = [(r, 0., 0.), (r - d, h, -h), (r - d, -h, h),
(r, 0., 0.), (r - d, h, h), (r - d, -h, -h)]
replaces = [(0, 1, 2), (2, 0, 1), (1, 2, 0)]
with utils.glPrimitive(GL_LINES):
for color, replace in zip(colors, replaces):
glColor3f(*color)
glVertex3f(0., 0., 0.)
glVertex3f(*[(r, 0., 0.)[replace[i]] for i in range(3)])
with utils.glPrimitive(GL_TRIANGLES):
for color, replace in zip(colors, replaces):
glColor3f(*color)
for v in vertices:
glVertex3f(*[v[replace[i]] for i in range(3)])
glEnable(GL_LIGHTING)
def draw(self):
glColor3f(0., 0., 0.)
height = 0.002
glDisable(GL_LIGHTING)
with utils.glPreserveMatrix():
glMultMatrixf(utils.npmat_to_glmat(self.localMat))
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE)
with utils.glPrimitive(GL_POLYGON):
glVertex3f(0, -self.top / 2, 0)
glVertex3f(0, self.top / 2, 0)
glVertex3f(self.length, self.bottom / 2, 0)
glVertex3f(self.length, -self.bottom / 2, 0)
with utils.glPrimitive(GL_LINES):
y1 = self.top / 2
y2 = self.bottom / 2
l = self.length
# draw bars
for x in self.bars[1:]:
h = y1 + (y2 - y1) / l * x
glVertex3f(x, -h, 0)
glVertex3f(x, h, 0)
# draw strings
for i in range(1, 7):
y1, y2 = self.get_string_ys(i)
glVertex3f(0, y1, height)
glVertex3f(l, y2, height)
# draw marks
d = self.top / 12
glColor3f(1., .2, .2)
for fp in self.marks:
x, y = self.pos_fret_to_plane(fp)
glVertex3f(x - d, y + d, 0)
glVertex3f(x + d, y - d, 0)
glVertex3f(x + d, y + d, 0)
glVertex3f(x - d, y - d, 0)
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL)
glEnable(GL_LIGHTING)
