How can I transition smoothly between two colors in three.js?

I am working with a three.js object that is currently a specific color and I would like to smoothly animate it to a different color. I want the animation to only display a direct transition between the initial and final colors without following a linear path in the RGB color space. I am unsure if a linear transition in the HSV color space would achieve the desired effect either.

Is there a way to achieve this type of color transition on a three.js object?

Answer №1

I have developed a modified version that creates a smooth color transition in HSV space. While it's not flawless, it manages to produce various hues along the transition.

The lack of a built-in feature in Three.js to extract HSV values from a THREE.Color led me to create a custom method:

THREE.Color.prototype.getHSV = function()
{
    // Implementation details for HSV conversion
};

With the HSV conversion method in place, implementing the transition becomes quite straightforward:

new TWEEN.Tween(mesh.material.color.getHSV())
    .to({h: h, s: s, v: v}, 200)
    .easing(TWEEN.Easing.Quartic.In)
    .onUpdate(
        function()
        {
            // Update color based on HSV values
        }
    )
    .start();

I'm curious to explore a more naturally perceptible color transition approach if any exist.

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