scene more railway realistic

examples/demo.py

@@ -140,9 +140,14 @@ class Demo:
             # Action
             for iAgent in range(self.env.get_num_agents()):
                 action = 2
-                agent = self.env.agents[iAgent]
-                if not self.env.check_action(agent, action)[1]:
-                   action = np.random.choice(self.action_size)
+                if False:
+                    agent = self.env.agents[iAgent]
+                    trial = 0
+                    while not self.env.check_action(agent, action)[1]:
+                        action = np.random.choice(self.action_size)
+                        trial += 1
+                        if trial > 10:
+                            break
                 action_dict.update({iAgent: action})
 
             self.renderer.renderEnv(show=True, action_dict=action_dict)

flatland/utils/rendertools.py

@@ -769,7 +769,7 @@ class RenderTool(object):
                 self.gl.setAgentAt(iAgent, *agent.position, agent.direction, new_direction, color=oColor)
             else:
                 print("invalid action - agent ", iAgent, " bend ", agent.direction, new_direction)
-                self.gl.setAgentAt(iAgent, *agent.position, agent.direction, new_direction)
+                # self.gl.setAgentAt(iAgent, *agent.position, agent.direction, new_direction)
 
         self.gl.show()
         for i in range(3):

notebooks/Editor2.ipynb

@@ -106,7 +106,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "71dda738592e49abafe596b348dfc3a1",
+       "model_id": "e86e118aa3dc4387857ec6bd80a1966b",
        "version_major": 2,
        "version_minor": 0
       },
@@ -132,7 +132,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "b7c1f13e789747b5ac7b65eba3584752",
+       "model_id": "48a4f97d8d1446f48314d9d72d733d98",
        "version_major": 2,
        "version_minor": 0
       },