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"""
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All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
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its licensors.
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For complete copyright and license terms please see the LICENSE at the root of this
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distribution (the "License"). All use of this software is governed by the License,
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or, if provided, by the license below or the license accompanying this file. Do not
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remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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"""
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# Test case ID : C4976209
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# Test Case Title : Verify that when Compute COM is enabled, the PhysX system computes the COM of the object on its own
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# URL of the test case : https://testrail.agscollab.com/index.php?/cases/view/4976209
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# fmt: off
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class Tests():
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enter_game_mode = ("Entered game mode", "Failed to enter game mode")
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find_enabled_sphere = ("Enabled Sphere Found", "Enabled Sphere not found")
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find_enabled_capsule = ("Enabled Capsule Found", "Enabled Capsule not found")
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find_enabled_box = ("Enabled Box Found", "Enabled Box not found")
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find_enabled_physics_asset = ("Enabled Physics Asset Found", "Enabled Physics Asset not found")
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find_disabled_sphere = ("Disabled Sphere Found", "Disabled Sphere not found")
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find_disabled_capsule = ("Disabled Capsule Found", "Disabled Capsule not found")
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find_disabled_box = ("Disabled Box Found", "Disabled Box not found")
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find_disabled_physics_asset = ("Disabled Physics Asset Found", "Disabled Physics Asset not found")
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enabled_sphere_COM_expected = ("Enabled Sphere COM was close to expected value", "Enabled Sphere COM was not close to expected value")
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enabled_capsule_COM_expected = ("Enabled Capsule COM was close to expected value", "Enabled Capsule COM was not close to expected value")
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enabled_box_COM_expected = ("Enabled Box COM was close to expected value", "Enabled Box COM was not close to expected value")
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enabled_physics_asset_COM_expected = ("Enabled Physics Asset COM was close to expected value", "Enabled Physics Asset COM was not close to expected value")
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disabled_sphere_COM_expected = ("Disabled Sphere COM was close to expected value", "Disabled Sphere COM was not close to expected value")
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disabled_capsule_COM_expected = ("Disabled Capsule COM was close to expected value", "Disabled Capsule COM was not close to expected value")
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disabled_box_COM_expected = ("Disabled Box COM was close to expected value", "Disabled Box not COM was not close to expected value")
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disabled_physics_asset_COM_expected = ("Disabled Physics Asset COM was close to expected value", "Disabled Physics Asset not COM was close to expected value")
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exit_game_mode = ("Exited game mode", "Couldn't exit game mode")
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# fmt: on
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def C4976209_RigidBody_ComputesCOM():
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# type: () -> None
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"""
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Summary:
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Runs an automated test to ensure when compute COM is enabled, that the COM is automatically calculated.
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Level Description:
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There are 4 sets of entities:
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Spheres (entity: SphereEnabled), (entity: SphereDisabled)
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Boxes (entity: BoxEnabled), (entity: BoxDisabled)
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Capsules (entity: CapsuleEnabled), (entity: CapsuleDisabled)
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Physics Assets with sedan mesh (entity: PhysicsAssetEnabled), (entity: PhysicsAssetDisabled)
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Each set has two entities, both of which are identical to one another - save for the Compute COM setting on their
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rigid body. One has it set to enabled, and the other has it set to disabled.
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Each entity has a rigid body and two PhysX colliders. The first collider has no offset. The second collider is
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positioned +2 units in the X direction.
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Expected Behavior:
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The entities with 'Compute COM' disabled will have local COM offsets at the objects origin ((0.0, 0.0, 0.0) Locally)
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The entities with 'Compute COM' enabled will have local COM offsets at the average position between the two
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colliders.
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For every entity that isn't a physics asset, that's +1 unit to the right (1/2 the offset value of the second
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collider). The physics asset has a mesh whose origin is not at the natural center of mass of the object,
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so we check its COM offset as a special case.
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Test Steps:
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1) Open level
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2) Enter game mode
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3) Validate entities
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4) Check center of mass for each entity
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5) Special Case: Check center of mass for each physics asset
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6) Exit game mode
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7) Close the editor
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Note:
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- This test file must be called from the Lumberyard Editor command terminal
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- Any passed and failed tests are written to the Editor.log file.
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- Parsing the file or running a log_monitor are required to observe the test results.
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:return: (None)
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"""
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# Setup path
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import os
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import sys
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import ImportPathHelper as imports
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imports.init()
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from utils import Report
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from utils import TestHelper as helper
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import azlmbr
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import azlmbr.legacy.general as general
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import azlmbr.bus as bus
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import azlmbr.math as lymath
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CONTROL_COM = lymath.Vector3(0.0, 0.0, 0.0)
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EXPECTED_COM = lymath.Vector3(1.0, 0.0, 0.0)
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PHYSICS_ASSET_EXPECTED_COM = lymath.Vector3(1.0, -0.08, 0.43) # Derived from the sedan mesh specifically
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CLOSE_THRESHOLD = 0.01
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class Shape:
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def __init__(self, name, valid_test, com_valid_test):
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self.id = general.find_game_entity(name)
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self.center_of_mass = self.get_com()
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self.position = self.get_position()
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self.com_local = self.center_of_mass.Subtract(self.position)
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self.valid_test = valid_test
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self.com_valid_test = com_valid_test
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def get_com(self):
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return azlmbr.physics.RigidBodyRequestBus(bus.Event, "GetCenterOfMassWorld", self.id)
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def get_position(self):
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return azlmbr.components.TransformBus(bus.Event, "GetWorldTranslation", self.id)
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helper.init_idle()
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# 1) Open level
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helper.open_level("Physics", "C4976209_RigidBody_ComputesCOM")
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# 2) Enter game mode
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helper.enter_game_mode(Tests.enter_game_mode)
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# 3) Validate entities
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sphere_enabled = Shape("SphereEnabled", Tests.find_enabled_sphere, Tests.enabled_sphere_COM_expected)
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sphere_disabled = Shape("SphereDisabled", Tests.find_disabled_sphere, Tests.disabled_sphere_COM_expected)
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capsule_enabled = Shape("CapsuleEnabled", Tests.find_enabled_capsule, Tests.enabled_capsule_COM_expected)
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capsule_disabled = Shape("CapsuleDisabled", Tests.find_disabled_capsule, Tests.disabled_capsule_COM_expected)
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box_enabled = Shape("BoxEnabled", Tests.find_enabled_box, Tests.enabled_box_COM_expected)
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box_disabled = Shape("BoxDisabled", Tests.find_disabled_box, Tests.disabled_box_COM_expected)
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physics_asset_enabled = Shape(
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"PhysicsAssetEnabled", Tests.find_enabled_physics_asset, Tests.enabled_physics_asset_COM_expected
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)
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physics_asset_disabled = Shape(
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"PhysicsAssetDisabled", Tests.find_disabled_physics_asset, Tests.disabled_physics_asset_COM_expected
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)
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# physics asset is a special case, and thus not included
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enabled_shapes = [sphere_enabled, capsule_enabled, box_enabled]
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disabled_shapes = [sphere_disabled, capsule_disabled, box_disabled]
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all_shapes = enabled_shapes + disabled_shapes + [physics_asset_enabled, physics_asset_disabled]
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for shape in all_shapes:
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Report.critical_result(shape.valid_test, shape.id.IsValid())
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# 4) Check center of mass for each entity
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for enabled_shape in enabled_shapes:
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enabled_is_close = enabled_shape.com_local.IsClose(EXPECTED_COM, CLOSE_THRESHOLD)
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Report.result(enabled_shape.com_valid_test, enabled_is_close)
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for disabled_shape in disabled_shapes:
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disabled_is_close = disabled_shape.com_local.IsClose(CONTROL_COM, CLOSE_THRESHOLD)
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Report.result(disabled_shape.com_valid_test, disabled_is_close)
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# 5) Check center of mass for each physics asset
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enabled_is_close = physics_asset_enabled.com_local.IsClose(PHYSICS_ASSET_EXPECTED_COM, CLOSE_THRESHOLD)
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Report.result(physics_asset_enabled.com_valid_test, enabled_is_close)
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disabled_is_close = physics_asset_disabled.com_local.IsClose(CONTROL_COM, CLOSE_THRESHOLD)
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Report.result(physics_asset_disabled.com_valid_test, disabled_is_close)
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# 6) Exit game mode
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helper.exit_game_mode(Tests.exit_game_mode)
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if __name__ == "__main__":
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import ImportPathHelper as imports
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imports.init()
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from utils import Report
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Report.start_test(C4976209_RigidBody_ComputesCOM)
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