Fix bloom resize bug, bloom itself could use improvement

shader/texture/bloomBlur.frag

@@ -1,12 +1,12 @@
 #version 430 core
 in vec2 vTexPos;
 out vec4 fColor;
-
-uniform vec2 winSize;
+const vec2 winSize = vec2 (300,300);
+// note that the above opening bracket should be the first in this file
 uniform sampler2D screenTexture;
 
-const float hOff = 1.0 / 300;
-const float vOff = 1.0 / 300;
+const float hOff = 4.0 / winSize.x;
+const float vOff = 4.0 / winSize.y;
 const float frac = 1.0 / 9;
 const vec2 off[9] = vec2[]
     ( vec2( vOff,hOff )

shader/texture/bloomBlur.vert

@@ -1,6 +1,7 @@
 #version 430 core
 layout (location = 0) in vec2 pos;
 layout (location = 1) in vec2 texPos;
+uniform vec2 winSize;
 out vec2 vTexPos;
 void main()
 {