from panda3d.core import *
from math import *
GEO_ID = 0
[docs]def circleX(angle, radius, centerX, centerY):
x = radius * cos(angle) + centerX
return x
[docs]def circleY(angle, radius, centerX, centerY):
y = radius * sin(angle) + centerY
return y
[docs]def getCirclePoints(segCount, centerX, centerY, radius, wideX= 1.0, wideY = 1.0):
returnShape = []
for seg in range(0, segCount):
coordX = wideX * (circleX(((pi * 2.0) * float(float(seg) / float(segCount))), radius, centerX, centerY))
coordY = wideY * (circleY(((pi * 2.0) * float(float(seg) / float(segCount))), radius, centerX, centerY))
returnShape.append((coordX, coordY, 1))
coordX = wideX * (circleX(((pi * 2.0) * float(0 / segCount)), radius, centerX, centerY))
coordY = wideY * (circleY(((pi * 2.0) * float(0 / segCount)), radius, centerX, centerY))
returnShape.append((coordX, coordY, 1))
return returnShape
[docs]def addCircle(attachNode, vertexCount, radius, color = Vec4(1.0, 1.0, 1.0, 1.0), centerColor = None, layer = 0):
targetGN = GeomNode("target Circle")
if centerColor is None:
centerColor = color
zFloat = 0.025
targetCircleShape = getCirclePoints(5 + (vertexCount), 0.0, 0.0, radius)
gFormat = GeomVertexFormat.getV3c()
targetCircleVertexData = GeomVertexData("holds my vertices", gFormat, Geom.UHDynamic)
targetCircleVertexWriter = GeomVertexWriter(targetCircleVertexData, "vertex")
targetCircleColorWriter = GeomVertexWriter(targetCircleVertexData, "color")
targetCircleVertexWriter.addData3f(0.0, 0.0, zFloat) #center
targetCircleColorWriter.addData4f(centerColor[0], centerColor[1], centerColor[2], centerColor[3])
for vertex in targetCircleShape:
targetCircleVertexWriter.addData3f(0.0 + vertex[0] , 0.0 + vertex[1] , zFloat)
targetCircleColorWriter.addData4f(color[0], color[1], color[2], color[3])
#targetCircleColorWriter.addData4f(1.0, 1.0, 1.0, 1.0)
targetTris = GeomTrifans(Geom.UHStatic) # triangle object
sizeTarget = len(targetCircleShape)
targetTris.addVertex(0)
for countVertex in range(1, sizeTarget + 1):
targetTris.addVertex(countVertex)
targetTris.addVertex(1)
targetTris.closePrimitive()
targetGeom = Geom(targetCircleVertexData)
targetGeom.addPrimitive(targetTris)
attachNode.addGeom(targetGeom)
return targetGeom
[docs]def addCircleGeom(rootNode, vertexCount, radius, color = Vec4(1.0, 1.0, 1.0, 1.0), centerColor = None, layer = 0):
global GEO_ID
GN=GeomNode("Circle %s" % (GEO_ID))
GEO_ID += 1
NodePathGeom = rootNode.attachNewNode(GN)
geo = addCircle(GN, vertexCount, radius, color, centerColor,layer)
return NodePathGeom, GN, geo
[docs]def addSquare(attachNode, sizeX, sizeY, color = Vec4(1.0, 1.0, 1.0, 1.0), layer = 0):
targetGN = GeomNode("Square Geom")
sX = sizeX / 2.0
sY = sizeY / 2.0
color1 = color
color2 = color
color3 = color
gFormat = GeomVertexFormat.getV3n3ct2()
boxVertexData = GeomVertexData("vertices", gFormat, Geom.UHDynamic)
boxVertexWriter = GeomVertexWriter(boxVertexData, "vertex")
boxNormalWriter = GeomVertexWriter(boxVertexData, "normal")
boxColorWriter = GeomVertexWriter(boxVertexData, "color")
boxTextureWriter = GeomVertexWriter(boxVertexData, "texcoord")
boxVertexWriter.addData3f(-sX, sY, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxTextureWriter.addData2f(0.0, 1.0)
boxVertexWriter.addData3f(-sX, -sY, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxTextureWriter.addData2f(0.0, 0.0)
boxVertexWriter.addData3f(sX, -sY, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxTextureWriter.addData2f(1.0, 0.0)
boxVertexWriter.addData3f(sX, sY, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxTextureWriter.addData2f(1.0, 1.0)
boxTris = GeomTristrips(Geom.UHStatic) # trianglestrip obejcet
boxTris.addVertex(1)
boxTris.addVertex(2)
boxTris.addVertex(0)
boxTris.addVertex(3)
boxTris.closePrimitive()
boxGeom = Geom(boxVertexData)
boxGeom.addPrimitive(boxTris)
attachNode.addGeom(boxGeom)
return boxGeom
[docs]def addSquareGeom(rootNode, sizeX, sizeY, color = Vec4(1.0, 1.0, 1.0, 1.0), layer = 0):
global GEO_ID
GN = GeomNode("Square %s" % (GEO_ID))
GEO_ID += 1
NodePathGeom = rootNode.attachNewNode(GN)
geo = addSquare(GN, sizeX, sizeY, color, layer)
return NodePathGeom, GN, geo
[docs]def addBox(attachNode, sizeX, sizeY, sizeZ, color = Vec4(1.0, 1.0, 1.0, 1.0), darken = 0):
targetGN = GeomNode("Box Geom")
sX = sizeX / 2.0
sY = sizeY / 2.0
sZ = sizeZ / 2.0
color1 = color
color2 = color
color3 = color
if darken:
color1 = color * 0.75 #Vec4(0.0, 0.0, 0.0, 1.0)
color2 = color * 0.50 #Vec4(0.0, 0.0, 0.0, 1.0)
color3 = color * 0.25 #Vec4(0.0, 0.0, 0.0, 1.0)
gFormat = GeomVertexFormat.getV3n3c()
boxVertexData = GeomVertexData("vertices", gFormat, Geom.UHDynamic)
boxVertexWriter = GeomVertexWriter(boxVertexData, "vertex")
boxNormalWriter = GeomVertexWriter(boxVertexData, "normal")
boxColorWriter = GeomVertexWriter(boxVertexData, "color")
#Front
boxVertexWriter.addData3f(sX, sY, sZ)
boxNormalWriter.addData3f(0, 1, 0)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxVertexWriter.addData3f(sX, sY, -sZ)
boxNormalWriter.addData3f(0, 1, 0)
boxColorWriter.addData4f(color1[0], color1[1], color1[2], color1[3])
boxVertexWriter.addData3f(-sX, sY, -sZ)
boxNormalWriter.addData3f(0, 1, 0)
boxColorWriter.addData4f(color1[0], color1[1], color1[2], color1[3])
boxVertexWriter.addData3f(-sX, sY, sZ)
boxNormalWriter.addData3f(0, 1, 0)
boxColorWriter.addData4f(color1[0], color1[1], color1[2], color1[3])
#Back
boxVertexWriter.addData3f(-sX, -sY, sZ)
boxNormalWriter.addData3f(0, -1, 0)
boxColorWriter.addData4f(color2[0], color2[1], color2[2], color2[3])
boxVertexWriter.addData3f(-sX, -sY, -sZ)
boxNormalWriter.addData3f(0, -1, 0)
boxColorWriter.addData4f(color3[0], color3[1], color3[2], color3[3])
boxVertexWriter.addData3f(sX, -sY, -sZ)
boxNormalWriter.addData3f(0, -1, 0)
boxColorWriter.addData4f(color2[0], color2[1], color2[2], color2[3])
boxVertexWriter.addData3f(sX, -sY, sZ)
boxNormalWriter.addData3f(0, -1, 0)
boxColorWriter.addData4f(color2[0], color2[1], color2[2], color2[3])
#Top
boxVertexWriter.addData3f(-sX, sY, sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxVertexWriter.addData3f(-sX, -sY, sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxVertexWriter.addData3f(sX, -sY, sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxVertexWriter.addData3f(sX, sY, sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
#Bottom
boxVertexWriter.addData3f(sX, sY, -sZ)
boxNormalWriter.addData3f(0, 0, -1)
boxColorWriter.addData4f(color3[0], color3[1], color3[2], color3[3])
boxVertexWriter.addData3f(sX, -sY, -sZ)
boxNormalWriter.addData3f(0, 0, -1)
boxColorWriter.addData4f(color3[0], color3[1], color3[2], color3[3])
boxVertexWriter.addData3f(-sX, -sY, -sZ)
boxNormalWriter.addData3f(0, 0, -1)
boxColorWriter.addData4f(color3[0], color3[1], color3[2], color3[3])
boxVertexWriter.addData3f(-sX, sY, -sZ)
boxNormalWriter.addData3f(0, 0, -1)
boxColorWriter.addData4f(color3[0], color3[1], color3[2], color3[3])
#Right
boxVertexWriter.addData3f(sX, sY, sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxVertexWriter.addData3f(sX, -sY, sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color1[0], color1[1], color1[2], color1[3])
boxVertexWriter.addData3f(sX, -sY, -sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color1[0], color1[1], color1[2], color1[3])
boxVertexWriter.addData3f(sX, sY, -sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color1[0], color1[1], color1[2], color1[3])
#Left
boxVertexWriter.addData3f(-sX, sY, -sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color2[0], color2[1], color2[2], color2[3])
boxVertexWriter.addData3f(-sX, -sY, -sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color3[0], color3[1], color3[2], color3[3])
boxVertexWriter.addData3f(-sX, -sY, sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color2[0], color2[1], color2[2], color2[3])
boxVertexWriter.addData3f(-sX, sY, sZ)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color2[0], color2[1], color2[2], color2[3])
boxTris = GeomTristrips(Geom.UHStatic) # trianglestrip obejcet
boxTris.addVertex(0)#(1)
boxTris.addVertex(1)#(2)
boxTris.addVertex(3)#(0)
boxTris.addVertex(2)#(3)
boxTris.closePrimitive()
boxTris.addVertex(5)
boxTris.addVertex(6)
boxTris.addVertex(4)
boxTris.addVertex(7)
boxTris.closePrimitive()
boxTris.addVertex(9)
boxTris.addVertex(10)
boxTris.addVertex(8)
boxTris.addVertex(11)
boxTris.closePrimitive()
boxTris.addVertex(13)
boxTris.addVertex(14)
boxTris.addVertex(12)
boxTris.addVertex(15)
boxTris.closePrimitive()
boxTris.addVertex(16) #(17)
boxTris.addVertex(17) #(18)
boxTris.addVertex(19) #(16)
boxTris.addVertex(18) #(19)
boxTris.closePrimitive()
boxTris.addVertex(21)
boxTris.addVertex(22)
boxTris.addVertex(20)
boxTris.addVertex(23)
boxTris.closePrimitive()
boxGeom = Geom(boxVertexData)
boxGeom.addPrimitive(boxTris)
attachNode.addGeom(boxGeom)
return boxGeom
[docs]def addBoxGeom(rootNode, sizeX, sizeY, sizeZ, color = Vec4(1.0, 1.0, 1.0, 1.0), darken = 0):
global GEO_ID
GN = GeomNode("Box %s" % (GEO_ID))
GEO_ID += 1
nodePathGeom = rootNode.attachNewNode(GN)
geo = addBox(GN, sizeX, sizeY, sizeZ, color, darken)
return nodePathGeom, GN, geo
[docs]def addArrow(attachNode, sizeX, sizeY, color = Vec4(1.0, 1.0, 1.0, 1.0), layer = 0):
targetGN = GeomNode("Arrow Geom")
sX = sizeX / 2.0
sY = sizeY / 2.0
color1 = color
color2 = color
color3 = color
gFormat = GeomVertexFormat.getV3n3c()
boxVertexData = GeomVertexData("vertices", gFormat, Geom.UHDynamic)
boxVertexWriter = GeomVertexWriter(boxVertexData, "vertex")
boxNormalWriter = GeomVertexWriter(boxVertexData, "normal")
boxColorWriter = GeomVertexWriter(boxVertexData, "color")
boxVertexWriter.addData3f(-sX, sY, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxVertexWriter.addData3f(-sX, -sY, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxVertexWriter.addData3f(sX, -sY, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxVertexWriter.addData3f(sX, sY, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxTris = GeomTristrips(Geom.UHStatic) # trianglestrip obejcet
boxTris.addVertex(1)
boxTris.addVertex(2)
boxTris.addVertex(0)
boxTris.addVertex(3)
boxTris.closePrimitive()
boxVertexWriter.addData3f(-sX * 2.0, sY, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxVertexWriter.addData3f(sX * 2.0, sY, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxVertexWriter.addData3f(0.0, sY * 2.0, 0.0)
boxNormalWriter.addData3f(0, 0, 1)
boxColorWriter.addData4f(color[0], color[1], color[2], color[3])
boxTris.addVertex(4)
boxTris.addVertex(5)
boxTris.addVertex(6)
boxTris.closePrimitive()
boxGeom = Geom(boxVertexData)
boxGeom.addPrimitive(boxTris)
attachNode.addGeom(boxGeom)
return boxGeom
[docs]def addArrowGeom(rootNode, sizeX, sizeY, color = Vec4(1.0, 1.0, 1.0, 1.0), layer = 0):
global GEO_ID
GN = GeomNode("Arrow %s" % (GEO_ID))
GEO_ID += 1
NodePathGeom = rootNode.attachNewNode(GN)
geo = addArrow(GN, sizeX, sizeY, color, layer)
return NodePathGeom, GN, geo
