Moving Arrow on Tiles/Cells for Voxel Engines/Games

Can be used to show a direction for one tile or cell, can be chained

Can be also used for acceleration in racing games

Shader code

shader_type spatial;
render_mode shadows_disabled;

uniform vec4 arrow_color : source_color = vec4(0.0,1.0,0.0,1.0);
uniform vec4 background_color : source_color = vec4(0.0);
uniform float arrow_angle : hint_range(0.1, 1.0) = 0.2;
uniform float frequency : hint_range(2.0, 16.0, 2.0) = 8.0;
uniform float speed : hint_range(0.1, 2.0) = 0.5;

void fragment() {
	float offset = TIME * speed;
	
	offset -= abs(UV.y - 0.5) * arrow_angle;
	
	if (int((UV.x + offset) * frequency) % 2 == 0) {
		ALBEDO = arrow_color.rgb;
		ALPHA = arrow_color.a;
	} else {
		ALBEDO = background_color.rgb;
		ALPHA = background_color.a;
	}
}

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