GameMaker : Creates a rainbow, floating text effect with triple shadow

/// @function draw_ethereal_text(x, y, text)
/// @param {real} x X position to start drawing
/// @param {real} y Y position to start drawing
/// @param {string} text Text to animate
/// @description Creates a rainbow, floating text effect with triple shadow
function draw_ethereal_text(xx, yy, text) {
    var t = current_time/500;  // Time variable for animation
    var len = string_length(text);  // Get actual text length

    // Save previous blend mode and alpha
    var prev_blend = gpu_get_blendmode();
    var prev_alpha = draw_get_alpha();

    // Setup additive blending for glow effect
    gpu_set_blendmode(bm_add);

    // Draw three layers of floating text
    for(var p = 3; p--; ) {
        // Draw each character
        for(var i = len; i--; ) {
            // Create rainbow color cycling
            draw_set_color(make_color_hsv(
                (t*100 + i*20 + p*85) % 256,  // Hue cycles over time
                255,  // Full saturation
                255   // Full value
            ));

            // Set transparency for glow effect
            draw_set_alpha(0.3);

            // Draw character with wave motion
            draw_text(
                xx + i*20 + sin(t + i/2)*15 + p*2,  // X with wave
                yy + cos(t*2 + i/3)*10 + p*2,        // Y with wave
                string_char_at(text, i+1)
            );
        }
    }

    // Restore previous state
    gpu_set_blendmode(prev_blend);
    draw_set_alpha(prev_alpha);
}

// Example usage:
// draw_ethereal_text(room_width/2, room_height/2, "Lost and found");
// draw_ethereal_text(mouse_x, mouse_y, "Within without");