shader_type spatial;
render_mode unshaded, shadows_disabled, cull_disabled;
#include "uid://cy7b01or0ckgk" // Rhythm Helper

uniform vec3 color: source_color = vec3(1.0, 1.0, 1.0);
uniform float alpha_multiplier: hint_range(0.0, 1.0, 0.001) = 0.25;
uniform sampler2D albedo;
uniform float flash_exponent = 3.0;
uniform float edge_fade = 0.5;

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

void fragment() {
	float phase = get_beat_phase();
	vec4 tex = texture(albedo, UV);
	
	float edge = dot(NORMAL, VIEW);
	edge = clamp(pow(edge, mix(8.0, 2.0, edge_fade)), 0.0, 1.0);
	
	ALBEDO = mix(tex.rgb, color.rgb, 0.5);
	ALPHA = max(tex.a * ease(1.0 - phase, flash_exponent) * alpha_multiplier * edge, 0.0);
}

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