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Arch: WebGL exporter now has mouse controls

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Yorik van Havre 2013-04-12 15:37:10 -03:00
parent 6dbf66b2a9
commit e335a4348c
1 changed files with 58 additions and 41 deletions
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99
src/Mod/Arch/importWebGL.py
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@ -25,19 +25,14 @@ import FreeCAD,FreeCADGui,Arch,Draft
from DraftTools import translate from DraftTools import translate
tab = " " tab = " "
addWireframe = False
if open.__module__ == '__builtin__': if open.__module__ == '__builtin__':
pythonopen = open pythonopen = open
def export(exportList,filename): def export(exportList,filename):
"exports the given objects to a .html file" "exports the given objects to a .html file"
# get three.min.js
threejspath = Arch.download("https://raw.github.com/mrdoob/three.js/master/build/three.min.js")
threejsfile = pythonopen(threejspath,"r")
threeminjs = threejsfile.read()
threejsfile.close()
# get objects data # get objects data
objectsData = '' objectsData = ''
for obj in exportList: for obj in exportList:
@ -45,7 +40,6 @@ def export(exportList,filename):
# build the final file # build the final file
template = getTemplate() template = getTemplate()
template = template.replace("$ThreeMinJs",threeminjs)
template = template.replace("$CameraData",getCameraData()) template = template.replace("$CameraData",getCameraData())
template = template.replace("$ObjectsData",objectsData) template = template.replace("$ObjectsData",objectsData)
template = template.replace("$TestData",getTestData()) template = template.replace("$TestData",getTestData())
@ -80,8 +74,11 @@ def getCameraData():
def getObjectData(obj): def getObjectData(obj):
"returns the geometry data of an object as three.js snippet" "returns the geometry data of an object as three.js snippet"
result = ""
if obj.isDerivedFrom("Part::Feature"): if obj.isDerivedFrom("Part::Feature"):
fcmesh = obj.Shape.tessellate(0.1) fcmesh = obj.Shape.tessellate(0.1)
result = "var geom = new THREE.Geometry();\n" result = "var geom = new THREE.Geometry();\n"
@ -96,21 +93,9 @@ def getObjectData(obj):
# adding facets data # adding facets data
for f in fcmesh[1]: for f in fcmesh[1]:
result += tab+"geom.faces.push( new THREE.Face3"+str(f)+" );\n" result += tab+"geom.faces.push( new THREE.Face3"+str(f)+" );\n"
# adding material
col = obj.ViewObject.ShapeColor
rgb = Draft.getrgb(col,testbw=False)
#rgb = "#888888" # test color
result += tab+"var material = new THREE.MeshBasicMaterial( { color: 0x"+str(rgb)[1:]+" } );\n"
# adding the mesh to the scene
result += tab+"var mesh = new THREE.Mesh( geom, material );\n"
result += tab+"scene.add( mesh );\n"+tab
# print result
return result
elif obj.isDerivedFrom("Mesh::Feature"): elif obj.isDerivedFrom("Mesh::Feature"):
mesh = obj.Mesh mesh = obj.Mesh
result = "var geom = new THREE.Geometry();\n" result = "var geom = new THREE.Geometry();\n"
@ -126,21 +111,26 @@ def getObjectData(obj):
# adding facets data # adding facets data
for f in mesh.Facets: for f in mesh.Facets:
result += tab+"geom.faces.push( new THREE.Face3"+str(f.PointIndices)+" );\n" result += tab+"geom.faces.push( new THREE.Face3"+str(f.PointIndices)+" );\n"
if result:
# adding material # adding a base material
col = obj.ViewObject.ShapeColor col = obj.ViewObject.ShapeColor
rgb = Draft.getrgb(col,testbw=False) rgb = Draft.getrgb(col,testbw=False)
#rgb = "#888888" # test color #rgb = "#888888" # test color
result += tab+"var material = new THREE.MeshBasicMaterial( { color: 0x"+str(rgb)[1:]+" } );\n" result += tab+"var basematerial = new THREE.MeshBasicMaterial( { color: 0x"+str(rgb)[1:]+" } );\n"
# adding a wireframe material
result += tab+"var wireframe = new THREE.MeshBasicMaterial( { color: "
result += "0x000000, wireframe: true, transparent: true } );\n"
result += tab+"var material = [ basematerial, wireframe ];\n"
# adding the mesh to the scene # adding the mesh to the scene
result += tab+"var mesh = new THREE.Mesh( geom, material );\n" #result += tab+"var mesh = new THREE.Mesh( geom, basematerial );\n"
result += tab+"var mesh = new THREE.SceneUtils.createMultiMaterialObject( geom, material );\n"
result += tab+"scene.add( mesh );\n"+tab result += tab+"scene.add( mesh );\n"+tab
# print result return result
return result
return ""
def getTestData(): def getTestData():
"returns a simple cube as three.js snippet" "returns a simple cube as three.js snippet"
@ -158,26 +148,42 @@ def getTemplate():
result = """<!DOCTYPE html> result = """<!DOCTYPE html>
<html> <html>
<head> <head>
<title>FreeCAD model</title> <title>FreeCAD model</title>
<script>$ThreeMinJs</script> <script type="text/javascript" src="http://cdnjs.cloudflare.com/ajax/libs/three.js/r50/three.min.js"></script>
<script> <script>
var camera, controls, scene, renderer;
window.onload = function() { window.onload = function() {
var renderer = new THREE.WebGLRenderer(); var SCREEN_WIDTH = window.innerWidth, SCREEN_HEIGHT = window.innerHeight;
renderer.setSize( 800, 600 ); var VIEW_ANGLE = 35, ASPECT = SCREEN_WIDTH / SCREEN_HEIGHT, NEAR = 0.1, FAR = 20000;
renderer = new THREE.WebGLRenderer();
renderer.setSize( SCREEN_WIDTH, SCREEN_HEIGHT );
document.body.appendChild( renderer.domElement ); document.body.appendChild( renderer.domElement );
var scene = new THREE.Scene(); scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera( camera = new THREE.PerspectiveCamera(
35, // Field of view VIEW_ANGLE, // Field of view
800 / 600, // Aspect ratio ASPECT, // Aspect ratio
0.1, // Near plane NEAR, // Near plane
10000 // Far plane FAR // Far plane
); );
$CameraData // placeholder for the FreeCAD camera $CameraData // placeholder for the FreeCAD camera
controls = new THREE.TrackballControls( camera );
controls.rotateSpeed = 1.0;
controls.zoomSpeed = 1.2;
controls.panSpeed = 0.8;
controls.noZoom = false;
controls.noPan = false;
controls.staticMoving = true;
controls.dynamicDampingFactor = 0.3;
controls.keys = [ 65, 83, 68 ];
$TestData // placeholder for a test cube $TestData // placeholder for a test cube
$ObjectsData // placeholder for the FreeCAD objects $ObjectsData // placeholder for the FreeCAD objects
@ -187,7 +193,18 @@ def getTemplate():
scene.add( light ); scene.add( light );
renderer.render( scene, camera ); renderer.render( scene, camera );
animate();
};
function animate(){
requestAnimationFrame( animate );
render();
};
function render(){
controls.update();
renderer.render( scene, camera );
}; };
</script> </script>
</head> </head>