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Python GeomVertexWriter.getWriteRow方法代码示例

本文整理汇总了Python中panda3d.core.GeomVertexWriter.getWriteRow方法的典型用法代码示例。如果您正苦于以下问题:Python GeomVertexWriter.getWriteRow方法的具体用法?Python GeomVertexWriter.getWriteRow怎么用?Python GeomVertexWriter.getWriteRow使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在panda3d.core.GeomVertexWriter的用法示例。


在下文中一共展示了GeomVertexWriter.getWriteRow方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: createBox

# 需要导入模块: from panda3d.core import GeomVertexWriter [as 别名]
# 或者: from panda3d.core.GeomVertexWriter import getWriteRow [as 别名]
    def createBox(self):
        """
        Create the skybox GeomNode
        :return:
        """

        obj = ''
        obj += "# Skybox\n"
        obj += 'mtllib skybox.mtl\n'


        mtl = '# material for skybox\n'

        fmt = GeomVertexFormat.getV3n3t2()
        vdata = GeomVertexData('skybox', fmt, Geom.UHStatic)
        vdata.setNumRows(24)

        vertex = GeomVertexWriter(vdata, 'vertex')
        normals = GeomVertexWriter(vdata, 'normal')
        texcoord = GeomVertexWriter(vdata, 'texcoord')

        node = GeomNode('skybox')

        for normal in self.normals:
            geom = Geom(vdata)
            prim = GeomTriangles(Geom.UHStatic)

            idx = vertex.getWriteRow()

            verts = self.vertMappings[normal]
            tcs = self.getFaceMapping(normal)

            for v, t in zip(verts, tcs):
                vertex.addData3f(v[0]*2, v[1]*2, v[2]*2)
                normals.addData3f(normal)
                texcoord.addData2f(t)

                obj += 'v {0} {1} {2}\n'.format(v[0]*2, v[1]*2, v[2]*2)
                obj += 'vn {0} {1} {2}\n'.format(*normal)
                obj += 'vt {0} {1}\n'.format(*t)


            tex = self.getFaceTexture(normal)

            prim.addVertices(idx, idx + 1, idx + 3)
            prim.closePrimitive()

            obj += "usemtl {0}\n".format(tex.getName())
            obj += 'f {0}/{0} {1}/{1} {2}/{2}\n'.format(1+idx, 1+idx+1, 1+idx+3)

            prim.addVertices(idx + 1, idx + 2, idx + 3)
            prim.closePrimitive()

            obj += "usemtl {0}\n".format(tex.getName())
            obj += 'f {0}/{0} {1}/{1} {2}/{2}\n'.format(1+idx+1, 1+idx+2, 1+idx+3)

            geom.addPrimitive(prim)

            tex.setWrapU(Texture.WMMirror)
            tex.setWrapV(Texture.WMMirror)

            node.addGeom(geom, RenderState.make(TextureAttrib.make(tex)))


            mtl += "newmtl {0}\n".format(tex.getName())
            mtl += "Ka 1 1 1\n"
            mtl += "Kd 1 1 1\n"
            mtl += "map_Kd {0}\n".format(tex.getFilename().toOsSpecific())

        return node
开发者ID:eswartz,项目名称:panda3d-stuff,代码行数:72,代码来源:skybox.py

示例2: MyApp

# 需要导入模块: from panda3d.core import GeomVertexWriter [as 别名]
# 或者: from panda3d.core.GeomVertexWriter import getWriteRow [as 别名]

#.........这里部分代码省略.........
        self.geom.addPrimitive(self.triStrips)

    def makeInstructions(self):
        OnscreenText(text="Draw Path by Walking", style=1, fg=(1, 1, 0, 1), pos=(0.5, -0.95), scale=0.07)

        self.drawText = self.genLabelText("", 0)
        self.genLabelText("Walk (W/S/A/D), Jump=Space, Look=PgUp/PgDn", 1)
        self.genLabelText("  (hint, go backwards with S to see your path immediately)", 2)
        self.genLabelText("ESC: Quit", 3)

    def genLabelText(self, text, i):
        return OnscreenText(text=text, pos=(-1.3, 0.95 - 0.05 * i), fg=(1, 1, 0, 1), align=TextNode.ALeft, scale=0.05)

    def drawHere(self, task):
        pos = self.fpscamera.getPos()
        self.info.setText(
            "Position: {0}, {1}, {2} at {3} by {4}".format(
                int(pos.x * 100) / 100.0,
                int(pos.y * 100) / 100.0,
                int(pos.z) / 100.0,
                self.fpscamera.getHeading(),
                self.fpscamera.getLookAngle(),
            )
        )

        prevPos = self.prevPos

        if not prevPos:
            self.prevPos = pos

        elif (pos - prevPos).length() > 1:
            self.drawQuadTo(prevPos, pos, 2)

            row = self.vertexWriter.getWriteRow()
            numPrims = self.triStrips.getNumPrimitives()
            if numPrims == 0:
                primVerts = row
            else:
                primVerts = row - self.triStrips.getPrimitiveEnd(numPrims - 1)

            if primVerts >= 4:
                self.triStrips.closePrimitive()

                if row >= 256:
                    print "Packing and starting anew"
                    newGeom = True
                    self.geom.unifyInPlace(row, False)
                else:
                    newGeom = False

                self.completePath()

                if newGeom:
                    self.newVertexData()

                self.newGeom()
                if not newGeom:
                    self.triStrips.addConsecutiveVertices(row - 2, 2)
                else:
                    self.drawQuadTo(prevPos, pos, 2)

            self.leftColor[1] += 63
            self.rightColor[2] += 37

            self.prevPos = pos
开发者ID:eswartz,项目名称:panda3d-stuff,代码行数:69,代码来源:draw_path_tris.py

示例3: MyApp

# 需要导入模块: from panda3d.core import GeomVertexWriter [as 别名]
# 或者: from panda3d.core.GeomVertexWriter import getWriteRow [as 别名]

#.........这里部分代码省略.........
                          style=1, fg=(1,1,0,1),
                          pos=(0.5,-0.95), scale = .07)
        self.genLabelText("ESC: Quit", 0)
        self.instructionText = self.genLabelText("", 1)
        
    def genLabelText(self, text, i):
        return OnscreenText(text = text, pos = (-1.3, .95-.05*i), fg=(1,1,0,1),
                      align = TextNode.ALeft, scale = .05)

    def drawHere(self, task):
        pos = self.fpscamera.getPos()
        self.info.setText("Position: {0}, {1}, {2} at {3} by {4}".format(int(pos.x*100)/100., int(pos.y*100)/100., int(pos.z)/100., 
                                                                  self.fpscamera.getHeading(), self.fpscamera.getLookAngle()))
        
        prevPos = self.prevPos
        
        if not prevPos:
            self.prevPos = pos
            
        elif (pos - prevPos).length() >= 1:
#             self.extendPathQuad(prevPos, pos, 2)
            self.extendPathTunnel(prevPos, pos, 3)
                    
            self.leftColor[1] += 63
            self.rightColor[2] += 37
            
            self.prevPos = pos
        
        return task.cont

    def extendPathQuad(self, prevPos, pos, width):
        self.drawQuadTo(prevPos, pos, width)

        row = self.vertexWriter.getWriteRow()
        numPrims = self.triStrips.getNumPrimitives()
        if numPrims == 0:
            primVerts = row
        else:
            primVerts = row - self.triStrips.getPrimitiveEnd(numPrims-1)

        if primVerts >= 4:
            self.triStrips.closePrimitive()

            if row >= 256:
                print "Packing and starting anew"
                newGeom = True
                self.geom.unifyInPlace(row, False)
            else:
                newGeom = False
                
            self.completeQuadPath()

            if newGeom:                
                self.newVertexData()
                                
            self.newGeom()
            if newGeom:
                self.drawQuadTo(prevPos, pos, width)
            else:
                self.triStrips.addConsecutiveVertices(row - 2, 2)
            
        
    def extendPathTunnel(self, prevPos, pos, width):
        self.drawTunnelTo(prevPos, pos, width)

    def drawLineTo(self, pos, color):
开发者ID:eswartz,项目名称:panda3d-stuff,代码行数:70,代码来源:draw_path_tunnel.py


注:本文中的panda3d.core.GeomVertexWriter.getWriteRow方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。