draw()

void fl::RedSquare::draw ( DrawContext context )

inlineoverridevirtual

Parameters

now	The current time in milliseconds. Fx writers are encouraged to use this instead of millis() directly as this will more deterministic behavior.

Implements fl::Fx.

Definition at line 21 of file redsquare.h.

                                            {
        uint16_t width = getWidth();
        uint16_t height = getHeight();
        uint16_t square_size = Math::min(width, height) / 2;
        uint16_t start_x = (width - square_size) / 2;
        uint16_t start_y = (height - square_size) / 2;
 
        for (uint16_t x = 0; x < width; x++) {
            for (uint16_t y = 0; y < height; y++) {
                uint16_t idx = mXyMap.mapToIndex(x, y);
                if (idx < mXyMap.getTotal()) {
                    if (x >= start_x && x < start_x + square_size &&
                        y >= start_y && y < start_y + square_size) {
                        context.leds[idx] = CRGB::Red;
                    } else {
                        context.leds[idx] = CRGB::Black;
                    }
                }
            }
        }
    }

References CRGB::Black, fl::Fx2d::getHeight(), fl::Fx2d::getWidth(), fl::_DrawContext::leds, fl::RedSquare::Math::min(), fl::Fx2d::mXyMap, CRGB::Red, x, and y.

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