Source code for direct.directtools.DirectUtil


from .DirectGlobals import *
from panda3d.core import VBase4
from direct.task.Task import Task
from direct.task.TaskManagerGlobal import taskMgr

# Routines to adjust values
[docs]def ROUND_TO(value, divisor): return round(value/float(divisor)) * divisor
[docs]def ROUND_INT(val): return int(round(val))
[docs]def CLAMP(val, minVal, maxVal): return min(max(val, minVal), maxVal)
# Create a tk compatible color string
[docs]def getTkColorString(color): """ Print out a Tk compatible version of a color string """ def toHex(intVal): val = int(intVal) if val < 16: return "0" + hex(val)[2:] else: return hex(val)[2:] r = toHex(color[0]) g = toHex(color[1]) b = toHex(color[2]) return "#" + r + g + b
## Background Color ##
[docs]def lerpBackgroundColor(r, g, b, duration): """ Function to lerp background color to a new value """ def lerpColor(state): dt = base.clock.getDt() state.time += dt sf = state.time / state.duration if sf >= 1.0: base.setBackgroundColor(state.ec[0], state.ec[1], state.ec[2]) return Task.done else: r = sf * state.ec[0] + (1 - sf) * state.sc[0] g = sf * state.ec[1] + (1 - sf) * state.sc[1] b = sf * state.ec[2] + (1 - sf) * state.sc[2] base.setBackgroundColor(r, g, b) return Task.cont taskMgr.remove('lerpBackgroundColor') t = taskMgr.add(lerpColor, 'lerpBackgroundColor') t.time = 0.0 t.duration = duration t.sc = base.getBackgroundColor() t.ec = VBase4(r, g, b, 1)
# Set direct drawing style for an object # Never light object or draw in wireframe
[docs]def useDirectRenderStyle(nodePath, priority = 0): """ Function to force a node path to use direct render style: no lighting, and no wireframe """ nodePath.setLightOff(priority) nodePath.setRenderModeFilled()
# File data util
[docs]def getFileData(filename, separator = ','): """ Open the specified file and strip out unwanted whitespace and empty lines. Return file as list of lists, one file line per element, list elements based upon separator """ f = open(filename.toOsSpecific(), 'r') rawData = f.readlines() f.close() fileData = [] for line in rawData: # First strip whitespace from both ends of line l = line.strip() if l: # If its a valid line, split on separator and # strip leading/trailing whitespace from each element data = [s.strip() for s in l.split(separator)] fileData.append(data) return fileData