blender/release/scripts/startup/bl_ui/properties_physics_rigidbody.py

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#
#  This program is free software; you can redistribute it and/or
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#  as published by the Free Software Foundation; either version 2
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#  along with this program; if not, write to the Free Software Foundation,
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# <pep8 compliant>
import bpy
from bpy.types import Panel


class PHYSICS_PT_rigidbody_panel():
    bl_space_type = 'PROPERTIES'
    bl_region_type = 'WINDOW'
    bl_context = "physics"


class PHYSICS_PT_rigid_body(PHYSICS_PT_rigidbody_panel, Panel):
    bl_label = "Rigid Body"

    @classmethod
    def poll(cls, context):
        ob = context.object
        rd = context.scene.render
        return (ob and ob.rigid_body and (not rd.use_game_engine))
        
    def draw(self, context):
        layout = self.layout

        ob = context.object
        rbo = ob.rigid_body
        
        if rbo:
            layout.prop(rbo, "type", text="Type")
            
            row = layout.row()
            row.prop(rbo, "enabled");
            row.prop(rbo, "kinematic", text="Animated")

            if rbo.type == 'ACTIVE':
                col = layout.column()
                col.prop(rbo, "mass")


class PHYSICS_PT_rigid_body_collisions(PHYSICS_PT_rigidbody_panel, Panel):
    bl_label = "Rigid Body Collisions"

    @classmethod
    def poll(cls, context):
        return (context.object and context.object.rigid_body and 
                (not context.scene.render.use_game_engine))
        
    def draw(self, context):
        layout = self.layout

        ob = context.object
        rbo = ob.rigid_body
        
        layout.prop(rbo, "collision_shape", text="Shape")
        
        split = layout.split()
        
        col = split.column()
        col.label(text="Surface Response:")
        col.prop(rbo, "friction")
        col.prop(rbo, "restitution", text="Bounciness")
        
        col = split.column()
        col.label(text="Sensitivity:")
        if rbo.collision_shape in {'MESH', 'CONE'}:
            col.prop(rbo, "collision_margin", text="Margin")
        else:
            col.prop(rbo, "use_margin");
            sub = col.column()
            sub.active = rbo.use_margin
            sub.prop(rbo, "collision_margin", text="Margin")
        layout.prop(rbo, "collision_groups")


class PHYSICS_PT_rigid_body_dynamics(PHYSICS_PT_rigidbody_panel, Panel):
    bl_label = "Rigid Body Dynamics"
    bl_default_closed = True

    @classmethod
    def poll(cls, context):
        return (context.object and context.object.rigid_body and
                context.object.rigid_body.type == 'ACTIVE' and
                (not context.scene.render.use_game_engine))
        
    def draw(self, context):
        layout = self.layout

        ob = context.object
        rbo = ob.rigid_body
        
        #col = layout.column(align=1)
        #col.label(text="Activation:")
        # XXX: settings such as activate on collison/etc. 
        
        split = layout.split();
        
        col = split.column()
        col.label(text="Deactivation:")
        col.prop(rbo, "use_deactivation")
        sub = col.column()
        sub.active = rbo.use_deactivation
        sub.prop(rbo, "start_deactivated")
        sub.prop(rbo, "deactivate_linear_velocity", text="Linear Vel")
        sub.prop(rbo, "deactivate_angular_velocity", text="Angular Vel")
        # TODO: other params such as time?
        
        col = split.column()
        col.label(text="Damping:")
        col.prop(rbo, "linear_damping", text="Translation")
        col.prop(rbo, "angular_damping", text="Rotation")

if __name__ == "__main__":  # only for live edit.
    bpy.utils.register_module(__name__)