def _trackballTask(self, task):
if not self.mouseDown:
return Task.cont
if (base.mouseWatcherNode.hasMouse()):
mpos = base.mouseWatcherNode.getMouse()
if mpos == self.lastMousePos:
return Task.cont
mDelta = mpos - self.clickPos
heading = -mDelta.x * 100 + self.initialHpr.x
pitch = mDelta.y * 100 + self.initialHpr.y
if pitch > 90:
pitch = 90
elif pitch < -90:
pitch = -90
trans1 = Mat4.translateMat(self.focus)
rotx = Mat4.rotateMat(heading, Vec3(0, 0, 1))
roty = Mat4.rotateMat(pitch, Vec3(1, 0, 0))
trans2 = Mat4.translateMat(0, -self.initialTranslation, 0)
rotation = trans2 * roty * rotx * trans1
base.camera.setMat(rotation)
self.eventDispatcher.dispatchEvent(EVT_CAMERA_MOVE, base.camera)
self.lastMousePos = Vec2(mpos)
return Task.cont
def _trackballTask(self, task):
if not self.mouseDown:
return Task.cont
if (base.mouseWatcherNode.hasMouse()):
mpos = base.mouseWatcherNode.getMouse()
if mpos == self.lastMousePos:
return Task.cont
mDelta = mpos - self.clickPos
heading = -mDelta.x * 100 + self.initialHpr.x
pitch = mDelta.y * 100 + self.initialHpr.y
if pitch > 90:
pitch = 90
elif pitch < -90:
pitch = -90
trans1 = Mat4.translateMat(self.focus)
rotx = Mat4.rotateMat(heading, Vec3(0, 0, 1))
roty = Mat4.rotateMat(pitch, Vec3(1, 0, 0))
trans2 = Mat4.translateMat(0, -self.initialTranslation, 0)
rotation = trans2 * roty * rotx * trans1
base.camera.setMat(rotation)
self.eventDispatcher.dispatchEvent(EVT_CAMERA_MOVE, base.camera)
self.lastMousePos = Vec2(mpos)
return Task.cont
def drawLeaf(nodePath,
vdata,
pos=Vec3(0, 0, 0),
vecList=[Vec3(0, 0, 1),
Vec3(1, 0, 0),
Vec3(0, -1, 0)],
scale=0.125):
#use the vectors that describe the direction the branch grows to make the right
#rotation matrix
newCs = Mat4(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
newCs.setRow(0, vecList[2]) #right
newCs.setRow(1, vecList[1]) #up
newCs.setRow(2, vecList[0]) #forward
newCs.setRow(3, Vec3(0, 0, 0))
newCs.setCol(3, Vec4(0, 0, 0, 1))
axisAdj = Mat4.scaleMat(scale) * newCs * Mat4.translateMat(pos)
#orginlly made the leaf out of geometry but that didnt look good
#I also think there should be a better way to handle the leaf texture other than
#hardcoding the filename
leafModel = loader.loadModel('models/shrubbery')
leafTexture = loader.loadTexture('models/material-10-cl.png')
leafModel.reparentTo(nodePath)
leafModel.setTexture(leafTexture, 1)
leafModel.setTransform(TransformState.makeMat(axisAdj))
def drawLeaf(self, pos=Vec3(0, 0, 0), quat=None, scale=0.125):
"""
this draws leafs when we reach an end
"""
#use the vectors that describe the direction the branch grows to make
#the right rotation matrix
newCs = Mat4()
quat.extractToMatrix(newCs)
axisAdj = Mat4.scaleMat(scale) * newCs * Mat4.translateMat(pos)
leafModel = NodePath("leaf")
self.leafModel.instanceTo(leafModel)
leafModel.reparentTo(self.leaves)
leafModel.setTransform(TransformState.makeMat(axisAdj))
def draw_leaf(nodePath, vdata, pos=Vec3(0, 0, 0), vecList=[Vec3(0, 0, 1), Vec3(1, 0, 0), Vec3(0, -1, 0)], scale=0.125):
# use the vectors that describe the direction the branch grows to make the right
# rotation matrix
newCs = Mat4(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
newCs.setRow(0, vecList[2]) # right
newCs.setRow(1, vecList[1]) # up
newCs.setRow(2, vecList[0]) # forward
newCs.setRow(3, Vec3(0, 0, 0))
newCs.setCol(3, Vec4(0, 0, 0, 1))
try:
axisAdj = Mat4.scaleMat(scale) * newCs * Mat4.translateMat(pos)
except TypeError, e:
print e
print scale, pos
def draw_leaf(nodePath,
vdata,
pos=Vec3(0, 0, 0),
vecList=[Vec3(0, 0, 1),
Vec3(1, 0, 0),
Vec3(0, -1, 0)],
scale=0.125):
#use the vectors that describe the direction the branch grows to make the right
#rotation matrix
newCs = Mat4(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0)
newCs.setRow(0, vecList[2]) #right
newCs.setRow(1, vecList[1]) #up
newCs.setRow(2, vecList[0]) #forward
newCs.setRow(3, Vec3(0, 0, 0))
newCs.setCol(3, Vec4(0, 0, 0, 1))
try:
axisAdj = Mat4.scaleMat(scale) * newCs * Mat4.translateMat(pos)
except TypeError, e:
print e
print scale, pos
def drawLeaf(nodePath,vdata,pos=Vec3(0,0,0),vecList=[Vec3(0,0,1), Vec3(1,0,0),Vec3(0,-1,0)], scale=0.125):
#use the vectors that describe the direction the branch grows to make the right
#rotation matrix
newCs=Mat4(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
newCs.setRow(0, vecList[2]) #right
newCs.setRow(1, vecList[1]) #up
newCs.setRow(2, vecList[0]) #forward
newCs.setRow(3, Vec3(0,0,0))
newCs.setCol(3,Vec4(0,0,0,1))
axisAdj=Mat4.scaleMat(scale)*newCs*Mat4.translateMat(pos)
#orginlly made the leaf out of geometry but that didnt look good
#I also think there should be a better way to handle the leaf texture other than
#hardcoding the filename
leafModel=loader.loadModel('models/shrubbery')
leafTexture=loader.loadTexture('models/material-10-cl.png')
leafModel.reparentTo(nodePath)
leafModel.setTexture(leafTexture,1)
leafModel.setTransform(TransformState.makeMat(axisAdj))
def _mouseWheelHandler(self, arg):
deltY = base.camera.getPos().length() * arg * 0.15
transl = Mat4.translateMat(0, deltY, 0)
base.camera.setMat(transl * base.camera.getMat())
self.eventDispatcher.dispatchEvent(EVT_CAMERA_MOVE, base.camera)
def mouseMoved(self, event):
transl = self.fromCam.xformVec(self.mouse2Vec(event.pos))
self.parent.transform(Mat4.translateMat(transl))
def _mouseWheelHandler(self, arg):
deltY = base.camera.getPos().length() * arg * 0.15
transl = Mat4.translateMat(0, deltY, 0)
base.camera.setMat(transl * base.camera.getMat())
self.eventDispatcher.dispatchEvent(EVT_CAMERA_MOVE, base.camera)
def mouseMoved(self, event):
transl = self.fromCam.xformVec(self.mouse2Vec(event.pos))
self.parent.transform(Mat4.translateMat(transl))
