2D Top-Down Physics Car

Simulate top-down car motion with drifting.

Authors and contributors to this experimental extension: D8H.

Simulate car motion, from a top-down view, with the 2D Physics Engine behavior.

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Physics car

Simulate 2D car motion, from a top-down view.

Behavior actions

Draw forces for debug
Draw forces applying on the car for debug purpose.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2 (👾 Object): Shape painter

Technical note: parameter 3 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::DrawDebug.

Acceleration
Change the acceleration of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Operator
Parameter 3 (🔢 Number): Value

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SetAcceleration.

Maximum speed
Change the maximum speed of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Operator
Parameter 3 (🔢 Number): Value

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SetSpeedMax.

Steering angle
Change the steering angle of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Operator
Parameter 3 (🔢 Number): Value

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SetSteeringAngle.

Maximum steering angle
Change the maximum steering angle of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Operator
Parameter 3 (🔢 Number): Value

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SetSteeringAngleMax.

Sterring back speed
Change the sterring speed when turning back of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Operator
Parameter 3 (🔢 Number): Value

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SetSteeringBackSpeed.

Steering speed
Change the steering speed of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Operator
Parameter 3 (🔢 Number): Value

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SetSteeringSpeed.

Wheel grip ratio
Change the wheel grip ratio of the object (from 0 to 1). A ratio of 0 is like driving on ice.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Operator
Parameter 3 (🔢 Number): Value

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SetWheelGripRatio.

Simulate acceleration stick
Simulate an acceleration stick for a given axis force.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2 (🔢 Number): Stick force

Technical note: parameter 3 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SimulateAccelerationStick.

Simulate down key press
Simulate a press of the down key.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior

Technical note: parameter 2 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SimulateDownKey.

Simulate left key press
Simulate a press of the left key.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior

Technical note: parameter 2 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SimulateLeftKey.

Simulate right key press
Simulate a press of the right key.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior

Technical note: parameter 2 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SimulateRightKey.

Simulate steering stick
Simulate a steering stick for a given axis force.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2 (🔢 Number): Stick force

Technical note: parameter 3 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SimulateSteeringStick.

Simulate up key press
Simulate a press of the up key.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior

Technical note: parameter 2 is an internal parameter handled by GDevelop.

Technical note: this action internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SimulateUpKey.

Behavior conditions

Acceleration
Compare the acceleration of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Relational operator
Parameter 3 (🔢 Number): Value to compare

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this condition internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::Acceleration.

Maximum speed
Compare the maximum speed of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Relational operator
Parameter 3 (🔢 Number): Value to compare

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this condition internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SpeedMax.

Steering angle
Compare the steering angle of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Relational operator
Parameter 3 (🔢 Number): Value to compare

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this condition internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SteeringAngle.

Maximum steering angle
Compare the maximum steering angle of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Relational operator
Parameter 3 (🔢 Number): Value to compare

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this condition internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SteeringAngleMax.

Sterring back speed
Compare the sterring speed when turning back of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Relational operator
Parameter 3 (🔢 Number): Value to compare

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this condition internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SteeringBackSpeed.

Steering speed
Compare the steering speed of the object.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Relational operator
Parameter 3 (🔢 Number): Value to compare

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this condition internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::SteeringSpeed.

Wheel grip ratio
Compare the wheel grip ratio of the object (from 0 to 1). A ratio of 0 is like driving on ice.

See parameters & details

Parameter 0: 👾 Object
Parameter 1: 🧩 Behavior
Parameter 2: 🟰 Relational operator
Parameter 3 (🔢 Number): Value to compare

Technical note: parameter 4 is an internal parameter handled by GDevelop.

Technical note: this condition internal type (in GDevelop JSON) is PhysicsCar::PhysicsCar::WheelGripRatio.

Behavior expressions

Expression	Description
`Object.PhysicsCar::Acceleration()`	Return the acceleration of the object.
`Object.PhysicsCar::SpeedMax()`	Return the maximum speed of the object.
`Object.PhysicsCar::SteeringAngle()`	Return the steering angle of the object.
`Object.PhysicsCar::SteeringAngleMax()`	Return the maximum steering angle of the object.
`Object.PhysicsCar::SteeringBackSpeed()`	Return the sterring speed when turning back of the object.
`Object.PhysicsCar::SteeringSpeed()`	Return the steering speed of the object.
`Object.PhysicsCar::WheelGripRatio()`	Return the wheel grip ratio of the object (from 0 to 1). A ratio of 0 is like driving on ice.

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