Update particle schemas (#220)

source/resource/particles/components/particle_appearance_billboard.json

@@ -15,7 +15,19 @@
     "facing_camera_mode": {
       "description": "Used to orient the billboard.",
       "type": "string",
-      "enum": ["lookat_xyz", "lookat_y", "rotate_xyz", "rotate_y", "direction_x", "direction_y", "direction_z"],
+      "enum": [
+        "rotate_xyz",
+        "rotate_y",
+        "lookat_xyz",
+        "lookat_y",
+        "lookat_direction",
+        "direction_x",
+        "direction_y",
+        "direction_z",
+        "emitter_transform_xy",
+        "emitter_transform_xz",
+        "emitter_transform_yz"
+      ],
       "title": "Facing Camera Mode"
     },
     "direction": {

source/resource/particles/components/particle_motion_collision.json

@@ -3,6 +3,7 @@
   "type": "object",
   "title": "Particle Motion Collision Component For 1.10.0",
   "additionalProperties": false,
+  "required": ["collision_radius"],
   "properties": {
     "collision_drag": { "type": "number", "description": "UNDOCUMENTED: collision drag.", "title": "Collision Drag" },
     "coefficient_of_restitution": {