Work on vfx and sfx for traps.

visuals/shaders/explosive_streaks.gdshader

@@ -0,0 +1,24 @@
+shader_type spatial;
+render_mode cull_disabled;
+
+uniform sampler2D streaks_texture;
+uniform sampler2D explosion_texture;
+uniform vec4 streak_color : source_color;
+
+void vertex() {
+	// Called for every vertex the material is visible on.
+}
+
+void fragment() {
+	// Called for every pixel the material is visible on.
+	vec2 streak_uv = vec2(UV.x * .25 + floor(COLOR.r * 4.0) * .25, UV.y);
+	float n_val = texture(explosion_texture, UV).r;
+	float alpha = texture(streaks_texture, streak_uv).r * smoothstep(COLOR.a, 1, n_val);
+	ALBEDO = streak_color.rgb;
+	ALPHA = alpha;
+}
+
+//void light() {
+//	// Called for every pixel for every light affecting the material.
+//	// Uncomment to replace the default light processing function with this one.
+//}