Merge pull request #17250 from Ultimaker/CURA-7647-play-simulation-time-dependent

Cura 7647 play simulation time dependent

cura/LayerPolygon.py

@@ -1,5 +1,6 @@
 # Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
+import math
 import numpy
 
 from typing import Optional, cast
@@ -186,6 +187,11 @@ class LayerPolygon:
     def types(self):
         return self._types
 
+    @property
+    def lineLengths(self):
+        data_array = numpy.array(self._data)
+        return numpy.linalg.norm(data_array[1:] - data_array[:-1], axis=1)
+
     @property
     def data(self):
         return self._data

plugins/SimulationView/SimulationView.py

@@ -78,6 +78,8 @@ class SimulationView(CuraView):
         self._minimum_path_num = 0
         self.currentLayerNumChanged.connect(self._onCurrentLayerNumChanged)
 
+        self._current_feedrates = {}
+        self._lengths_of_polyline ={}
         self._busy = False
         self._simulation_running = False
 
@@ -400,6 +402,15 @@ class SimulationView(CuraView):
     def getMaxFeedrate(self) -> float:
         return self._max_feedrate
 
+    def getSimulationTime(self, currentIndex) -> float:
+        try:
+            return (self._lengths_of_polyline[self._current_layer_num][currentIndex] / self._current_feedrates[self._current_layer_num][currentIndex])[0]
+
+        except:
+            # In case of change in layers, currentIndex comes one more than the items in the lengths_of_polyline
+            # We give 1 second time for layer change
+            return 1.0
+
     def getMinThickness(self) -> float:
         if abs(self._min_thickness - sys.float_info.max) < 10: # Some lenience due to floating point rounding.
             return 0.0 # If it's still max-float, there are no measurements. Use 0 then.
@@ -524,8 +535,10 @@ class SimulationView(CuraView):
                     visible_indicies_with_extrusion = numpy.where(numpy.isin(polyline.types, visible_line_types_with_extrusion))[0]
                     if visible_indices.size == 0:  # No items to take maximum or minimum of.
                         continue
+                    self._lengths_of_polyline[layer_index] = polyline.lineLengths
                     visible_feedrates = numpy.take(polyline.lineFeedrates, visible_indices)
                     visible_feedrates_with_extrusion = numpy.take(polyline.lineFeedrates, visible_indicies_with_extrusion)
+                    self._current_feedrates[layer_index] = polyline.lineFeedrates
                     visible_linewidths = numpy.take(polyline.lineWidths, visible_indices)
                     visible_linewidths_with_extrusion = numpy.take(polyline.lineWidths, visible_indicies_with_extrusion)
                     visible_thicknesses = numpy.take(polyline.lineThicknesses, visible_indices)

plugins/SimulationView/SimulationViewMainComponent.qml

@@ -136,7 +136,7 @@ Item
     Timer
     {
         id: simulationTimer
-        interval: 100
+        interval: UM.SimulationView.simulationTime
         running: false
         repeat: true
         onTriggered:

plugins/SimulationView/SimulationViewProxy.py

@@ -2,6 +2,7 @@
 # Cura is released under the terms of the LGPLv3 or higher.
 from typing import TYPE_CHECKING
 
+import numpy
 from PyQt6.QtCore import QObject, pyqtSignal, pyqtProperty
 from UM.FlameProfiler import pyqtSlot
 from UM.Application import Application
@@ -11,6 +12,11 @@ if TYPE_CHECKING:
 
 
 class SimulationViewProxy(QObject):
+
+    S_TO_MS = 1000
+    SPEED_OF_SIMULATION = 10
+    FACTOR = S_TO_MS/SPEED_OF_SIMULATION
+
     def __init__(self, simulation_view: "SimulationView", parent=None) -> None:
         super().__init__(parent)
         self._simulation_view = simulation_view
@@ -54,6 +60,14 @@ class SimulationViewProxy(QObject):
     def currentPath(self):
         return self._simulation_view.getCurrentPath()
 
+    @pyqtProperty(int, notify=currentPathChanged)
+    def simulationTime(self):
+        # Extracts the currents paths simulation time (in seconds) for the current path from the dict of simulation time of the current layer.
+        # We multiply the time with 100 to make it to ms from s.(Should be 1000 in real time). This scaling makes the simulation time 10x faster than the real time.
+        simulationTimeOfpath = self._simulation_view.getSimulationTime(self._simulation_view.getCurrentPath()) * SimulationViewProxy.FACTOR
+        # Since the timer cannot process time less than 1 ms, we put a lower limit here
+        return int(max(1, simulationTimeOfpath))
+
     @pyqtProperty(int, notify=currentPathChanged)
     def minimumPath(self):
         return self._simulation_view.getMinimumPath()