def makeSelectRect():
ctup = (1,1,1,1)
fmt = GeomVertexFormat.getV3c4()
vertexData = GeomVertexData('points', fmt, Geom.UHDynamic)
points = ( #makes nice for Tristrips
(0,0,0),
(0,0,1),
(1,0,0),
(1,0,1),
)
verts = GeomVertexWriter(vertexData, 'vertex')
color = GeomVertexWriter(vertexData, 'color')
for point in points:
verts.addData3f(*point)
color.addData4f(*ctup)
boxLines = GeomLinestrips(Geom.UHDynamic)
boxLines.addVertices(0,1,3,2)
boxLines.addVertex(0)
boxLines.closePrimitive()
boxTris = GeomTristrips(Geom.UHDynamic)
boxTris.addConsecutiveVertices(0,3)
boxTris.closePrimitive()
box = Geom(vertexData)
box.addPrimitive(boxLines)
#box.addPrimitive(boxTris)
return box
def makeSelectRect():
ctup = (1, 1, 1, 1)
fmt = GeomVertexFormat.getV3c4()
vertexData = GeomVertexData('points', fmt, Geom.UHDynamic)
points = ( #makes nice for Tristrips
(0, 0, 0),
(0, 0, 1),
(1, 0, 0),
(1, 0, 1),
)
verts = GeomVertexWriter(vertexData, 'vertex')
color = GeomVertexWriter(vertexData, 'color')
for point in points:
verts.addData3f(*point)
color.addData4f(*ctup)
boxLines = GeomLinestrips(Geom.UHDynamic)
boxLines.addVertices(0, 1, 3, 2)
boxLines.addVertex(0)
boxLines.closePrimitive()
boxTris = GeomTristrips(Geom.UHDynamic)
boxTris.addConsecutiveVertices(0, 3)
boxTris.closePrimitive()
box = Geom(vertexData)
box.addPrimitive(boxLines)
#box.addPrimitive(boxTris)
return box
def draw(self): self.clearMesh() #print "vertices : %s" % (self.vertices) for p in self.vertices: self.vWriter.addData3f(p[0], p[1], p[2]) self.cWriter.addData4f(self.color) lines = GeomLinestrips (Geom.UHStatic) for line in self.lines: lines.addVertices(line[0], line[1]) lines.closePrimitive() self.geom.addPrimitive (lines)
def draw(self):
self.clearMesh()
#print "vertices : %s" % (self.vertices)
for p in self.vertices:
self.vWriter.addData3f(p[0], p[1], p[2])
self.cWriter.addData4f(self.color)
lines = GeomLinestrips(Geom.UHStatic)
for line in self.lines:
lines.addVertices(line[0], line[1])
lines.closePrimitive()
self.geom.addPrimitive(lines)
def primitives_lines(self, vdata):
vertex = GeomVertexWriter(vdata, 'vertex')
color = GeomVertexWriter(vdata, 'color')
n = len(self.points)
# Points
for p in self.points:
vertex.addData3f(p.x, p.y, p.z)
color.addData4f(0.2, 0.2, 0.2, 0.0)
# Triangles
for a, b, c in self.vertices:
lines = GeomLinestrips(Geom.UHStatic)
lines.addVertices(a, b, c, a)
lines.closePrimitive()
yield lines
def _get_primitive() -> GeomLines:
"""Generate GeomLines primitive for bounding box lines."""
primitive = GeomLinestrips(Geom.UHStatic)
# 0, 1, 2, 3, 4, 5, 6, 7 - bounding box grey vertices
# Bounding box
for i in [0, 4]:
for j in [0, 1, 2, 3, 0]:
primitive.addVertex(i + j)
primitive.closePrimitive()
for i in range(4):
primitive.addVertices(i, i + 4)
primitive.closePrimitive()
return primitive
def _get_primitive_linestrips(line_count: int) -> GeomPrimitive:
"""Generate GeomLinestrips primitive for build plate grid.
Parameters
----------
line_count : int
Line count for the generated GeomLinestrips primitive.
Returns
-------
GeomLinestrips
Generated primitive.
"""
primitive = GeomLinestrips(Geom.UHStatic)
for i in range(line_count):
primitive.addVertices(2 * i, 2 * i + 1)
primitive.closePrimitive()
return primitive
def line (self, start, end):
# since we're doing line segments, just vertices in our geom
format = GeomVertexFormat.getV3()
# build our data structure and get a handle to the vertex column
vdata = GeomVertexData ('', format, Geom.UHStatic)
vertices = GeomVertexWriter (vdata, 'vertex')
# build a linestrip vertex buffer
lines = GeomLinestrips (Geom.UHStatic)
vertices.addData3f (start[0], start[1], start[2])
vertices.addData3f (end[0], end[1], end[2])
lines.addVertices (0, 1)
lines.closePrimitive()
geom = Geom (vdata)
geom.addPrimitive (lines)
# Add our primitive to the geomnode
#self.gnode.addGeom (geom)
return geom
def makeAxis(): #FIXME make this scale based on zoom???
"""
x y z
r g b
"""
colors = (
(1,0,0,1),
(0,1,0,1),
(0,0,1,1),
(1,0,0,1),
(0,1,0,1),
(0,0,1,1),
)
points = (
(0,0,0),
(0,0,0),
(0,0,0),
(1,0,0),
(0,1,0),
(0,0,1),
)
fmt = GeomVertexFormat.getV3c4() #3 component vertex, w/ 4 comp color
#fmt = GeomVertexFormat.getV3() #3 component vertex, w/ 4 comp color
vertexData = GeomVertexData('points', fmt, Geom.UHStatic)
verts = GeomVertexWriter(vertexData, 'vertex')
color = GeomVertexWriter(vertexData, 'color')
for p,c in zip(points,colors):
verts.addData3f(*p)
color.addData4f(*c)
axisX = GeomLinestrips(Geom.UHStatic)
axisX.addVertices(0,3)
axisX.closePrimitive()
axisY = GeomLinestrips(Geom.UHStatic)
axisY.addVertices(1,4)
axisY.closePrimitive()
axisZ = GeomLinestrips(Geom.UHStatic)
axisZ.addVertices(2,5)
axisZ.closePrimitive()
axis = Geom(vertexData)
axis.addPrimitive(axisX)
axis.addPrimitive(axisY)
axis.addPrimitive(axisZ)
return axis
def makeAxis(): #FIXME make this scale based on zoom???
"""
x y z
r g b
"""
colors = (
(1, 0, 0, 1),
(0, 1, 0, 1),
(0, 0, 1, 1),
(1, 0, 0, 1),
(0, 1, 0, 1),
(0, 0, 1, 1),
)
points = (
(0, 0, 0),
(0, 0, 0),
(0, 0, 0),
(1, 0, 0),
(0, 1, 0),
(0, 0, 1),
)
fmt = GeomVertexFormat.getV3c4() #3 component vertex, w/ 4 comp color
#fmt = GeomVertexFormat.getV3() #3 component vertex, w/ 4 comp color
vertexData = GeomVertexData('points', fmt, Geom.UHStatic)
verts = GeomVertexWriter(vertexData, 'vertex')
color = GeomVertexWriter(vertexData, 'color')
for p, c in zip(points, colors):
verts.addData3f(*p)
color.addData4f(*c)
axisX = GeomLinestrips(Geom.UHStatic)
axisX.addVertices(0, 3)
axisX.closePrimitive()
axisY = GeomLinestrips(Geom.UHStatic)
axisY.addVertices(1, 4)
axisY.closePrimitive()
axisZ = GeomLinestrips(Geom.UHStatic)
axisZ.addVertices(2, 5)
axisZ.closePrimitive()
axis = Geom(vertexData)
axis.addPrimitive(axisX)
axis.addPrimitive(axisY)
axis.addPrimitive(axisZ)
return axis
