nodes.py

@@ -724,10 +724,8 @@ class RotateTowards(AbstractPowerShipNode):
 
         # Set the rotation of the control
         vec = Vector((destination - origin))
-        # vec.normalize()
         rot = vec.to_track_quat(self.track, self.up)
-        rot.normalize()
-        self.outputs["Rotation"].default_value = rot
+        self.outputs["Rotation"].default_value = rot.normalized()
 
 
 class OffsetRotation(AbstractPowerShipNode):
@@ -776,20 +774,15 @@ class MapRange(AbstractPowerShipNode):
         self.outputs["Result"].default_value = slope * val + offset
 
 
-class RotationFromAngle(AbstractPowerShipNode):
-    bl_idname = "RotationFromAngle"
-    bl_label = "Rotation From Vector Angle"
+class AngleFromVectors(AbstractPowerShipNode):
+    bl_idname = "AngleFromVectors"
+    bl_label = "Angle From Vectors"
     bl_icon = "EMPTY_ARROWS"
 
-    axis: bpy.props.EnumProperty(  # type: ignore
-        name="Axis",
-        items=_enum_up_axis_items,
-    )
-
     angle_type: bpy.props.EnumProperty(  # type: ignore
         name="Type",
         items=[
-            ("DEFAULT", "Default", ""),
+            ("DEFAULT", "Unsigned", ""),
             ("SIGNED", "Signed", ""),
         ],
     )
@@ -798,13 +791,12 @@ class RotationFromAngle(AbstractPowerShipNode):
         self, context: bpy.types.Context, layout: bpy.types.UILayout
     ) -> None:
         super().draw_buttons(context, layout)
-        layout.prop(self, "axis")
         layout.prop(self, "angle_type")
 
     def init(self, context):
         self.add_optional_input_socket("NodeSocketVector", "U")
         self.add_optional_input_socket("NodeSocketVector", "V")
-        self.outputs.new("NodeSocketQuaternion", "Rotation")
+        self.outputs.new("NodeSocketFloat", "Angle")
 
     def execute(self, depsgraph: bpy.types.Depsgraph) -> None:
         u = self._get_optional_input_value("U", Vector)
@@ -818,10 +810,7 @@ class RotationFromAngle(AbstractPowerShipNode):
             else:
                 angle = u.angle(v)
 
-        m = Matrix.Rotation(angle, 3, self.axis)
-        res = m.to_quaternion()
-
-        self.outputs["Rotation"].default_value = res
+        self.outputs["Angle"].default_value = angle
 
 
 _enum_vector_math_operations = [
@@ -1006,6 +995,7 @@ class SetBoneNode(AbstractPowerShipNode):
         bone_mat_world: Matrix = arm_matrix @ bone.matrix
 
         loc, rot, scale = bone_mat_world.decompose()
+
         if control_location is not None:
             loc = control_location
         if control_rotation is not None:
@@ -1013,24 +1003,27 @@ class SetBoneNode(AbstractPowerShipNode):
         if control_scale is not None:
             scale = control_scale
 
-        match self.space:
-            case "WORLD":
-                bone_mat_world = Matrix.LocRotScale(loc, rot, scale)
-            case "CHANNELS":
-                # Not sure what causes the scale to flip, however...
-                # The y/z-scale flips on update if multiple rotations are chained,
-                # this generates jitter when running const updates - flipping seems to temp fix it.
-                scale = [scale[i] for i in [0, 2, 1]]
+        # TODO: Fix jittering bone scale which happens
+        # esp. when multiple bones are parented to the rotated bone
+        # rounding helps but does not entirely fix the issue.
+        scale = [round(x, 4) for x in scale]
         v_nil = Vector((0, 0, 0))
         bone_rest_rot_scale = bone.bone.matrix_local.copy()
+
+        match self.space:
+            case "WORLD":
+                bone_mat_world = Matrix.LocRotScale(
+                    loc, rot.normalized(), scale)
+                loc, rot, scale = bone_mat_world.decompose()
+            case "CHANNELS":
                 bone_rest_rot_scale.translation = v_nil
-                bone_rest_rot = bone_rest_rot_scale.to_quaternion()
                 mat_rot_scale = Matrix.LocRotScale(
-                    v_nil, rot, scale) @ bone_rest_rot.to_matrix().to_4x4()
+                    v_nil, rot, scale) @ bone_rest_rot_scale
                 mat_loc = Matrix.Translation(loc)
                 bone_mat_world = mat_loc @ mat_rot_scale
 
         bone.matrix = arm_matrix.inverted() @ bone_mat_world
+        loc, rot, scale = bone.matrix.decompose()
 
 
 class TwoBoneIKNode(AbstractPowerShipNode):
@@ -1237,61 +1230,61 @@ class ClampNode(AbstractPowerShipNode):
         self.outputs["Result"].default_value = clamped
 
 
-class AbstractTwoValueMathNode(AbstractPowerShipNode):
-    def init(self, context: bpy.types.Context) -> None:
-        self.inputs.new("NodeSocketFloat", "A")
-        self.inputs.new("NodeSocketFloat", "B")
-        self.outputs.new("NodeSocketFloat", "Result")
-
-    def execute(self, depsgraph: bpy.types.Depsgraph) -> None:
-        a = self._get_input_value("A", float)
-        b = self._get_input_value("B", float)
-        self.outputs["Result"].default_value = self.calculate(a, b)
-
-    def calculate(self, a: float, b: float) -> float:
-        return 0
-
-
-class AddNode(AbstractTwoValueMathNode):
-    """Add two values"""
-
-    bl_idname = "AddNode"
-    bl_label = "Add"
-
-    def calculate(self, a: float, b: float) -> float:
-        return a + b
-
-
-class SubtractNode(AbstractTwoValueMathNode):
-    """Subtract two values"""
-
-    bl_idname = "SubtractNode"
-    bl_label = "Subtract"
-
-    def calculate(self, a: float, b: float) -> float:
-        return a - b
-
-
-class MultiplyNode(AbstractTwoValueMathNode):
-    """Multiply two values"""
-
-    bl_idname = "MultiplyNode"
-    bl_label = "Multiply"
-
-    def calculate(self, a: float, b: float) -> float:
-        return a * b
-
-
-class DivideNode(AbstractTwoValueMathNode):
-    """Divide two values; division by zero results in NaN"""
-
-    bl_idname = "DivideNode"
-    bl_label = "Divide"
-
-    def calculate(self, a: float, b: float) -> float:
-        if b == 0:
-            return float("nan")
-        return a / b
+# class AbstractTwoValueMathNode(AbstractPowerShipNode):
+#     def init(self, context: bpy.types.Context) -> None:
+#         self.inputs.new("NodeSocketFloat", "A")
+#         self.inputs.new("NodeSocketFloat", "B")
+#         self.outputs.new("NodeSocketFloat", "Result")
+#
+#     def execute(self, depsgraph: bpy.types.Depsgraph) -> None:
+#         a = self._get_input_value("A", float)
+#         b = self._get_input_value("B", float)
+#         self.outputs["Result"].default_value = self.calculate(a, b)
+#
+#     def calculate(self, a: float, b: float) -> float:
+#         return 0
+#
+#
+# class AddNode(AbstractTwoValueMathNode):
+#     """Add two values"""
+#
+#     bl_idname = "AddNode"
+#     bl_label = "Add"
+#
+#     def calculate(self, a: float, b: float) -> float:
+#         return a + b
+#
+#
+# class SubtractNode(AbstractTwoValueMathNode):
+#     """Subtract two values"""
+#
+#     bl_idname = "SubtractNode"
+#     bl_label = "Subtract"
+#
+#     def calculate(self, a: float, b: float) -> float:
+#         return a - b
+#
+#
+# class MultiplyNode(AbstractTwoValueMathNode):
+#     """Multiply two values"""
+#
+#     bl_idname = "MultiplyNode"
+#     bl_label = "Multiply"
+#
+#     def calculate(self, a: float, b: float) -> float:
+#         return a * b
+#
+#
+# class DivideNode(AbstractTwoValueMathNode):
+#     """Divide two values; division by zero results in NaN"""
+#
+#     bl_idname = "DivideNode"
+#     bl_label = "Divide"
+#
+#     def calculate(self, a: float, b: float) -> float:
+#         if b == 0:
+#             return float("nan")
+#         return a / b
 
 
 def _on_num_sockets_change(self: "SequenceNode", context: bpy.types.Context) -> None:
@@ -1394,7 +1387,7 @@ node_categories = [
         items=[
             nodeitems_utils.NodeItem("RotateTowards"),
             nodeitems_utils.NodeItem("OffsetRotation"),
-            nodeitems_utils.NodeItem("RotationFromAngle"),
+            nodeitems_utils.NodeItem("AngleFromVectors"),
             nodeitems_utils.NodeItem("NormalFromPoints"),
             nodeitems_utils.NodeItem("SplitVector"),
             nodeitems_utils.NodeItem("ToVector"),
@@ -1439,7 +1432,7 @@ classes = (
     SequenceNode,
     # Math Nodes
     RotateTowards,
-    RotationFromAngle,
+    AngleFromVectors,
     OffsetRotation,
     NormalFromPoints,
     ToVector,