1 files changed, 27 insertions, 0 deletions
diff --git a/client/player/interact_marker.gdshader b/client/player/interact_marker.gdshader
new file mode 100644
index 00000000..94b7323d
--- /dev/null
+++ b/client/player/interact_marker.gdshader
@@ -0,0 +1,27 @@
+shader_type spatial;
+
+uniform float max_width = .1;
+uniform float marker_length = .5;
+uniform float pulse_speed = 4.;
+uniform bool interactive = false;
+
+void fragment() {
+	if (interactive) {
+		ALBEDO = vec3(15., 0., 0.);
+	} else {
+		ALBEDO = vec3(.1, .1, .1);
+	}
+	vec2 uv = abs(2. * UV.xy - 1.);
+	float m_length = marker_length / max_width;
+	float anim;
+	if (interactive) {
+		anim = sin(TIME * pulse_speed) * .5 + 1.;
+	} else {
+		anim = .5;
+	}
+	float alpha = step(
+		1. - max_width * anim, max(uv.x, uv.y))
+			* step(1. - max_width * m_length, min(uv.x, uv.y)
+	);
+	ALPHA = alpha;
+}