Plants flash and shovel alt

assets/shaders/canvas_group_flash.gdshader

@@ -0,0 +1,24 @@
+shader_type canvas_item;
+render_mode unshaded;
+
+uniform vec4 FLASH_COLOR : source_color = vec4(1,0.709803921,0.43921568,0.5);
+uniform sampler2D screen_texture : hint_screen_texture, repeat_disable, filter_nearest;
+uniform float blend : hint_range(0,1,0.01);
+uniform bool selected = false;
+
+void fragment() {
+	vec4 text = textureLod(screen_texture, SCREEN_UV, 0.0);
+
+	if (text.a > 0.0001) {
+		text.rgb /= text.a;
+	}
+
+	if (selected)
+	{
+		COLOR = vec4(mix(text.rgb,FLASH_COLOR.rgb,FLASH_COLOR.a),text.a);
+	}
+	else
+	{
+		COLOR = vec4(mix(text.rgb,FLASH_COLOR.rgb,FLASH_COLOR.a*blend),text.a);
+	}
+}