Hyper space speed effect

Very cool hyperspace effect.  Just add in a shader item (as canvas item) over any image and paste in this code in the shader editor.

Ported over from shader toy. I also added the enabled boolean so you can turn it on and off. Just add this as a canvas item shader to the material of the item you want effected(i.e. your background image). To turn it on and off from code use this where node path is the item that has the shader:

NODE_PATH.material.set_shader_parameter(“enabled”,true)

Original Shader here:  https://www.shadertoy.com/view/4tjSDt

Shader code

shader_type canvas_item;

uniform bool enabled = false;

void vertex() {
	// Called for every vertex the material is visible on.
}

void fragment() {
	// Called for every pixel the material is visible on.
	if (enabled){
		float s = 0.0, v = 0.0;
	vec2 ires = 1.0 / SCREEN_PIXEL_SIZE;
	vec2 uv = (FRAGCOORD.xy/ ires) * 2.0 - 1.;
    float itime = (TIME-2.0)*58.0;
	vec3 col = vec3(0);
    vec3 init = vec3(sin(itime * .0032)*.3, .35 - cos(itime * .005)*.3, itime * 0.002);
	for (int r = 0; r < 100; r++) 
	{
		vec3 p = init + s * vec3(uv, 0.05);
		p.z = fract(p.z);
        // Thanks to Kali's little chaotic loop...
		for (int i=0; i < 10; i++)	p = abs(p * 2.04) / dot(p, p) - .9;
		v += pow(dot(p, p), .7) * .06;
		col +=  vec3(v * 0.2+.4, 12.-s*2., .1 + v * 1.) * v * 0.00003;
		s += .025;
	}
	COLOR = vec4(clamp(col, 0.0, 1.0), 1.0);
	}	
}

//void light() {
	// Called for every pixel for every light affecting the CanvasItem.
	// Uncomment to replace the default light processing function with this one.
//}

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