(This is the documentation for SDL3, which is the current stable version. SDL2 was the previous version!)

SDL_HapticConstant

A structure containing a template for a Constant effect.

Header File

Defined in <SDL3/SDL_haptic.h>

Syntax

typedef struct SDL_HapticConstant
{
    /* Header */
    Uint16 type;            /**< SDL_HAPTIC_CONSTANT */
    SDL_HapticDirection direction;  /**< Direction of the effect. */

    /* Replay */
    Uint32 length;          /**< Duration of the effect. */
    Uint16 delay;           /**< Delay before starting the effect. */

    /* Trigger */
    Uint16 button;          /**< Button that triggers the effect. */
    Uint16 interval;        /**< How soon it can be triggered again after button. */

    /* Constant */
    Sint16 level;           /**< Strength of the constant effect. */

    /* Envelope */
    Uint16 attack_length;   /**< Duration of the attack. */
    Uint16 attack_level;    /**< Level at the start of the attack. */
    Uint16 fade_length;     /**< Duration of the fade. */
    Uint16 fade_level;      /**< Level at the end of the fade. */
} SDL_HapticConstant;

Remarks

This struct is exclusively for the SDL_HAPTIC_CONSTANT effect.

A constant effect applies a constant force in the specified direction to the joystick.

Version

This struct is available since SDL 3.1.3.

See Also

• SDL_HAPTIC_CONSTANT
• SDL_HapticEffect

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CategoryAPI, CategoryAPIStruct, CategoryHaptic

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