Bordered Torus

My first shader ! It turns a Sprite2D into a torus, with a red border. A “little” buggy. No parameters.

(just attach the shader code to the material of a Sprite2D)

Shader code

shader_type canvas_item;
render_mode blend_mix;

void fragment() {
// Input:23
	vec4 n_out23p0 = COLOR;


// Input:2
	vec2 n_out2p0 = UV;


// Vector2Constant:6
	vec2 n_out6p0 = vec2(0.500000, 0.500000);


// Distance:7
	float n_out7p0 = distance(n_out2p0, n_out6p0);


// SmoothStep:16
	float n_in16p0 = 0.51000;
	float n_in16p1 = 0.27500;
	float n_out16p0 = smoothstep(n_in16p0, n_in16p1, n_out7p0);


// FloatOp:9
	float n_in9p1 = 0.20500;
	float n_out9p0 = n_out7p0 + n_in9p1;


// SmoothStep:18
	float n_in18p2 = 0.50000;
	float n_out18p0 = smoothstep(n_out7p0, n_out9p0, n_in18p2);


// Step:17
	float n_out17p0 = step(n_out16p0, n_out18p0);


// FloatFunc:19
	float n_out19p0 = 1.0 - n_out17p0;


	vec3 n_out21p0;
// ColorFunc:21
	{
		vec3 c = vec3(n_out19p0);
		vec4 K = vec4(1.0, 2.0 / 3.0, 1.0 / 3.0, 3.0);
		vec3 p = abs(fract(c.xxx + K.xyz) * 6.0 - K.www);
		n_out21p0 = c.z * mix(K.xxx, clamp(p - K.xxx, 0.0, 1.0), c.y);
	}


// Mix:22
	vec3 n_in22p1 = vec3(1.16000, 0.07000, 12.24000);
	vec3 n_out22p0 = mix(vec3(n_out23p0.xyz), n_in22p1, n_out21p0);


// SmoothStep:10
	float n_in10p0 = 0.46000;
	float n_in10p1 = 0.37500;
	float n_out10p0 = smoothstep(n_in10p0, n_in10p1, n_out7p0);


// SmoothStep:8
	float n_in8p2 = 0.42000;
	float n_out8p0 = smoothstep(n_out7p0, n_out9p0, n_in8p2);


// Step:11
	float n_out11p0 = step(n_out10p0, n_out8p0);


// Step:12
	float n_in12p1 = 0.64000;
	float n_out12p0 = step(n_out11p0, n_in12p1);


// Mix:20
	float n_in20p1 = 1.00000;
	float n_in20p2 = -0.02000;
	float n_out20p0 = mix(n_out12p0, n_in20p1, n_in20p2);


// Output:0
	COLOR.rgb = n_out22p0;
	COLOR.a = n_out20p0;


}

Shader code

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