Added fullscreen map screenshot

core/assets/bundles/bundle.properties

@@ -10,6 +10,7 @@ text.link.itch.io.description = itch.io page with PC downloads and web version
 text.link.google-play.description = Google Play store listing
 text.link.wiki.description = Official Mindustry wiki
 text.linkfail = Failed to open link!\nThe URL has been copied to your clipboard.
+text.screenshot = Screenshot saved to {0}
 text.gameover = Game Over
 text.gameover.pvp = The[accent] {0}[] team is victorious!
 text.sector.gameover = This sector has been lost. Re-deploy?
@@ -384,6 +385,7 @@ command.retreat = Retreat
 command.patrol = Patrol
 keybind.press = Press a key...
 keybind.press.axis = Press an axis or key...
+keybind.screenshot.name = Map Screenshot
 keybind.move_x.name = Move x
 keybind.move_y.name = Move y
 keybind.select.name = Select/Shoot

core/assets/shaders/shield.fragment

@@ -12,7 +12,6 @@ precision highp int;
 uniform sampler2D u_texture;
 uniform vec2 u_texsize;
 uniform float u_time;
-uniform float u_scaling;
 uniform float u_dp;
 uniform vec2 u_offset;
 
@@ -28,7 +27,7 @@ void main() {
     vec2 T = v_texCoord.xy;
     vec2 coords = (T * u_texsize) + u_offset;
 
-    T += vec2(sin(coords.y / 3.0 + u_time / 20.0) / 240.0, sin(coords.x / 3.0 + u_time / 20.0) / 240.0) * u_scaling;
+    T += vec2(sin(coords.y / 3.0 + u_time / 20.0), sin(coords.x / 3.0 + u_time / 20.0)) / u_texsize;
     
     float si = sin(u_time / 20.0) / 8.0;
 	vec4 color = texture2D(u_texture, T);