makeScreenMap()

fl::ScreenMap makeScreenMap

(

corkscrew_args

args = corkscrew_args()

)

Definition at line 86 of file FestivalStick.ino.

                                                                  {
    // Create a ScreenMap for the corkscrew
    fl::vector<vec2f> points(args.num_leds);
 
    int num_leds = args.num_leds;
    float leds_per_turn = args.leds_per_turn;
    float width_cm = args.width_cm;
 
 
    const float circumference = leds_per_turn;
    const float radius = circumference / (2.0 * PI);      // radius in mm
    const float angle_per_led = 2.0 * PI / leds_per_turn; // degrees per LED
    const float height_per_turn_cm = width_cm; // 10cm height per turn
    const float height_per_led =
        height_per_turn_cm /
        leds_per_turn * 1.3; // this is the changing height per led.
 
 
 
    for (int i = 0; i < num_leds; i++) {
        float angle = i * angle_per_led; // angle in radians
        float r = radius + 10 + i * height_per_led; // height in cm
 
        // Calculate the x, y coordinates for the corkscrew
        float x = r * cos(angle); // x coordinate
        float y = r * sin(angle); // y coordinate
 
        // Store the 2D coordinates in the vector
        points[i] = vec2f(x, y);
    }
 
    FASTLED_WARN("Creating ScreenMap with:\n" << points);
 
    // Create a ScreenMap from the points
    fl::ScreenMap screenMap(points.data(), num_leds, 1.0);
    return screenMap;
}

References args, fl::HeapVector< T >::data(), FASTLED_WARN, PI, screenMap, x, and y.

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