def _draw(self):
p = self.parameters
side = p.side
height = side * numpy.sqrt(3) / 2.
center = VisionEgg._get_center(p.position, p.anchor, (side, height))
position = numpy.array(center)
hh = height / 2
ll = position - (hh, hh)
lr = position - (-hh, hh)
u = position + (0., hh)
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
gl.glBegin(gl.GL_TRIANGLES)
self._draw_vertices(ll, lr, u)
gl.glEnd()
gl.glColor(p.color_edge)
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glLineWidth(p.width)
gl.glBegin(gl.GL_LINE_STRIP)
self._draw_vertices(ll, lr, u, ll)
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def _draw(self):
p = self.parameters
side = p.side
height = side * numpy.sqrt(3) / 2.
center = VisionEgg._get_center(p.position, p.anchor, (side, height))
position = numpy.array(center)
hh = height / 2
ll = position - (hh, hh)
lr = position - (-hh, hh)
u = position + (0., hh)
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
gl.glBegin(gl.GL_TRIANGLES)
self._draw_vertices(ll, lr, u)
gl.glEnd()
gl.glColor(p.color_edge)
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glLineWidth(p.width)
gl.glBegin(gl.GL_LINE_STRIP)
self._draw_vertices(ll, lr, u, ll)
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def _draw(self):
p = self.parameters
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glLineWidth(p.width)
gl.glBegin(gl.GL_LINES)
gl.glVertex(p.position)
gl.glVertex(p.end)
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def _draw(self):
p = self.parameters
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glLineWidth(p.width)
gl.glBegin(gl.GL_LINES)
gl.glVertex(p.position)
gl.glVertex(p.end)
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def _draw(self):
p = self.parameters
center = VisionEgg._get_center(p.position, p.anchor,
(p.radius, p.radius))
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
start, end = p.start, p.end
if end < start:
start -= 360.
start, end = map(numpy.deg2rad, (start, end))
frac = (end - start) / (2 * numpy.pi)
num_triangles = float(p.num_triangles) * frac
angles = numpy.linspace(start, end, num_triangles)
verts = numpy.zeros((num_triangles, 2))
verts[:, 0] = center[0] + p.radius * numpy.cos(angles)
verts[:, 1] = center[1] + p.radius * numpy.sin(angles)
if p.disk:
gl.glBegin(gl.GL_TRIANGLE_FAN)
gl.glVertex(center)
self._draw_vertices(*verts)
gl.glEnd()
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_BLEND)
# Draw a second polygon in line mode, so the edges are anti-aliased
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_LINE)
gl.glBegin(gl.GL_TRIANGLE_FAN)
gl.glVertex(center)
self._draw_vertices(*verts)
gl.glEnd()
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_FILL)
gl.glDisable(gl.GL_LINE_SMOOTH)
if p.circle:
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glColor(p.color_edge)
gl.glLineWidth(p.circle_width)
gl.glBegin(gl.GL_LINES)
for i in range(verts.shape[0] - 1):
self._draw_vertices(verts[i], verts[i + 1])
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)
def _draw(self):
p = self.parameters
center = VisionEgg._get_center(p.position, p.anchor, (p.radius, p.radius))
gl.glDisable(gl.GL_DEPTH_TEST)
gl.glDisable(gl.GL_TEXTURE_2D)
gl.glDisable(gl.GL_BLEND)
gl.glColor(p.color)
start, end = p.start, p.end
if end < start:
start -= 360.
start, end = map(numpy.deg2rad, (start, end))
frac = (end - start) / (2 * numpy.pi)
num_triangles = float(p.num_triangles) * frac
angles = numpy.linspace(start, end, num_triangles)
verts = numpy.zeros((num_triangles, 2))
verts[:,0] = center[0] + p.radius * numpy.cos(angles)
verts[:,1] = center[1] + p.radius * numpy.sin(angles)
if p.disk:
gl.glBegin(gl.GL_TRIANGLE_FAN)
gl.glVertex(center)
self._draw_vertices(*verts)
gl.glEnd()
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glBlendFunc(gl.GL_SRC_ALPHA, gl.GL_ONE_MINUS_SRC_ALPHA)
gl.glEnable(gl.GL_BLEND)
# Draw a second polygon in line mode, so the edges are anti-aliased
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_LINE)
gl.glBegin(gl.GL_TRIANGLE_FAN)
gl.glVertex(center)
self._draw_vertices(*verts)
gl.glEnd()
gl.glPolygonMode(gl.GL_FRONT_AND_BACK, gl.GL_FILL)
gl.glDisable(gl.GL_LINE_SMOOTH)
if p.circle:
if p.anti_aliasing:
gl.glEnable(gl.GL_LINE_SMOOTH)
gl.glColor(p.color_edge)
gl.glLineWidth(p.circle_width)
gl.glBegin(gl.GL_LINES)
for i in range(verts.shape[0]-1):
self._draw_vertices(verts[i], verts[i+1])
gl.glEnd()
gl.glDisable(gl.GL_LINE_SMOOTH)