def draw_leaf(self, position, vector_list, scale = 0.125):
# use the vectors that describe the direction the branch grows
# to make the right rotation matrix
new_cs = Mat4(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
new_cs.setRow(0, vector_list[2]) # right
new_cs.setRow(1, vector_list[1]) # up
new_cs.setRow(2, vector_list[0]) # forward
new_cs.setRow(3, Vec3(0, 0, 0))
new_cs.setCol(3, Vec4(0, 0, 0, 1))
axis_adjustment = Mat4.scaleMat(scale) * new_cs * Mat4.translateMat(position)
leaf_model = base.loader.loadModelCopy(APP_PATH + 'media/models/shrubbery')
leaf_texture = base.loader.loadTexture(APP_PATH + 'media/models/material-10-cl.png')
leaf_model.reparentTo(self.get_model())
leaf_model.setTexture(leaf_texture, 1)
leaf_model.setTransform(TransformState.makeMat(axis_adjustment))
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.loadModelCopy('models/shrubbery')
leafTexture=loader.loadTexture('models/material-10-cl.png')
leafModel.reparentTo(nodePath)
leafModel.setTexture(leafTexture,1)
leafModel.setTransform(TransformState.makeMat(axisAdj))
