processAutoTrigger()

void processAutoTrigger

(

uint32_t

now

)

Definition at line 308 of file wavefx.cpp.

                                      {
    // Static variable to remember when the next auto-trigger should happen
    static uint32_t nextTrigger = 0;
    
    // Calculate time until next trigger
    uint32_t trigger_delta = nextTrigger - now;
    
    // Handle timer overflow (happens after ~49 days of continuous running)
    if (trigger_delta > 10000) {
        // If the delta is suspiciously large, we probably rolled over
        trigger_delta = 0;
    }
    
    // Only proceed if auto-trigger is enabled
    if (autoTrigger) {
        // Check if it's time for the next trigger
        if (now >= nextTrigger) {
            // Create a ripple
            triggerRipple();
            
            // Calculate the next trigger time based on the speed slider
            // Invert the speed value so higher slider = faster triggers
            float speed = 1.0f - triggerSpeed.value();
            
            // Calculate min and max random intervals
            // Higher speed = shorter intervals between triggers
            uint32_t min_rand = 400 * speed;   // Minimum interval (milliseconds)
            uint32_t max_rand = 2000 * speed;  // Maximum interval (milliseconds)
 
            // Ensure min is actually less than max (handles edge cases)
            uint32_t min = MIN(min_rand, max_rand);
            uint32_t max = MAX(min_rand, max_rand);
            
            // Ensure min and max aren't equal (would cause random() to crash)
            if (min == max) {
                max += 1;
            }
            
            // Schedule the next trigger at a random time in the future
            nextTrigger = now + random(min, max);
        }
    }
}

References autoTrigger, MAX, MIN, speed, triggerRipple(), and triggerSpeed.

Referenced by wavefx_loop().

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