Add test shader for godrays, use rigidbodies to put all spawned items on the ground

Zennysoft.Game.Ma/src/vfx/shaders/Godray.gdshader

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+shader_type spatial;
+render_mode  blend_add, depth_draw_opaque, cull_back, diffuse_burley, shadows_disabled;
+
+uniform float alpha : hint_range(0.0, 1.0) = 0.5;
+uniform float rim_power : hint_range(0.0, 5.0) = 1.0;
+
+uniform sampler2D texture_emission : source_color, hint_default_black,filter_linear_mipmap,repeat_enable;
+uniform sampler2D gradient : source_color, hint_default_black,filter_linear_mipmap,repeat_enable;
+
+uniform vec4 emission : source_color;
+uniform float emission_energy : hint_range(0.0, 1.0) = 0.5;
+uniform vec3 uv1_scale = vec3(5.0, 0.0, 0.0);
+uniform vec3 uv1_offset = vec3(0.0, 1.0, 0.0); //change y to whooooosh effect
+
+varying vec2 base_uv;
+
+// rotate on 90 degrees
+vec2 rotateUV(vec2 uv) {
+	return vec2(1.0 * (uv.y - 0.5) + 0.5, -1.0 * (uv.y - 0.5) + 0.5);
+}
+
+void vertex() {
+	base_uv = rotateUV(UV);
+	UV = UV * uv1_scale.xy + uv1_offset.xy;
+	// UV.y += TIME * 0.02; // If you need animation, this needs some work.
+}
+
+void fragment() {
+	vec3 fallof = texture(gradient, base_uv).rgb;
+	
+	float fresnel = pow(1.0 - dot(normalize(NORMAL), normalize(VIEW)), rim_power);
+	float fade = mix(1.0, -1.0, fresnel);
+
+	ROUGHNESS = 0.0; 
+	SPECULAR = 0.0;
+	
+	vec3 emission_tex = texture(texture_emission, UV).rgb;
+	EMISSION = (emission.rgb + emission_tex) * emission_energy * fallof;
+	
+	ALPHA = clamp(fade, 0.0, 1.0) * EMISSION.r * alpha; 
+}

Zennysoft.Game.Ma/src/vfx/shaders/Godray.gdshader.uid

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+uid://byyd6fao8lvi7