diff --git a/internal/asset/shader/world/lighting.frag b/internal/asset/shader/world/lighting.frag
index 3f0d4b4..d310d8c 100644
--- a/internal/asset/shader/world/lighting.frag
+++ b/internal/asset/shader/world/lighting.frag
@@ -29,7 +29,7 @@ const float fogDensity = .00003;
 
 
 float light;
-vec4 texpixel, color;
+vec3 color = vec3(0);
 void lightSun();
 float lightSunShadow();
 void lightPoint(int i);
@@ -60,14 +60,13 @@ void main() {
 
 	lightSun();
 
-	color += vec4(fragColor.rgb * light, 0.0f);
-	color.a = fragColor.a;
+	color += fragColor.rgb * light;
 
 	//float z = gl_FragCoord.z / gl_FragCoord.w;
 	//float fog = clamp(exp(-fogDensity * z * z), 0.2, 1);
 
 	//outputColor = mix(fogColor, color, fog);
-	outputColor = color;
+	outputColor = vec4(color, 1);
 }
 
 void lightSun() {
@@ -82,7 +81,7 @@ void lightSun() {
 
 	float shadow = lightSunShadow();
 	light += diffuse * shadow;
-	color += vec4(vec3(specular), 0.0f) * shadow;
+	color += vec3(specular) * shadow;
 }
 
 float lightSunShadow() {
diff --git a/internal/asset/shader/world/output.frag b/internal/asset/shader/world/output.frag
index 69f156a..70d5b9c 100644
--- a/internal/asset/shader/world/output.frag
+++ b/internal/asset/shader/world/output.frag
@@ -7,9 +7,9 @@ in vec2 fragPosScreen;
 out vec4 outputColor;
 
 void main() {
-    vec4 texColor = texture(tex, fragPosScreen);
+	vec4 texColor = texture(tex, fragPosScreen);
 	if (texColor.a < 1e-4)
 		discard;
 
-	outputColor = vec4(pow(texColor.rgb / exposure, vec3(1.0/gamma)), 1.0f);
+	outputColor = vec4(pow(texColor.rgb * exposure, vec3(1.0/gamma)), 1.0f);
 }
diff --git a/internal/asset/shader/world/water.frag b/internal/asset/shader/world/water.frag
index fb08aea..3681ebf 100644
--- a/internal/asset/shader/world/water.frag
+++ b/internal/asset/shader/world/water.frag
@@ -26,7 +26,7 @@ const float fogDensity = .00003;
 
 float finalpha;
 float light;
-vec4 texpixel, color;
+vec3 color = vec3(0);
 void lightSun();
 float lightSunShadow();
 void lightPoint(int i);
@@ -41,14 +41,12 @@ void main() {
 
 	lightSun();
 
-	color += vec4(fragColor.rgb * light, 0.0f);
-	color.a = fragColor.a;
-	color.rgb = color.rgb;
+	color += fragColor.rgb * light;
 
-	float z = gl_FragCoord.z / gl_FragCoord.w;
-	float fog = clamp(exp(-fogDensity * z * z), 0.2, 1);
+	//float z = gl_FragCoord.z / gl_FragCoord.w;
+	//float fog = clamp(exp(-fogDensity * z * z), 0.2, 1);
 
-	outputColor = mix(fogColor, color, fog) * finalpha;
+	outputColor = vec4(color, 1) * finalpha;
 }
 
 void lightSun() {
@@ -63,7 +61,7 @@ void lightSun() {
 
 	float shadow = lightSunShadow();
 	light += diffuse * shadow;
-	color += vec4(vec3(specular), 0.0f) * shadow;
+	color += vec3(specular) * shadow;
 
 	if (specular*shadow > 1.0f) {
 		finalpha = min(finalpha + specular - 1.0f, 1.0f);
diff --git a/internal/game/imgui.go b/internal/game/imgui.go
index bea0e13..3d2dd86 100644
--- a/internal/game/imgui.go
+++ b/internal/game/imgui.go
@@ -10,6 +10,7 @@ import (
 	"edgaru089.ml/go/gl01/internal/igwrap"
 	"edgaru089.ml/go/gl01/internal/igwrap/backend"
 	"edgaru089.ml/go/gl01/internal/io"
+	"edgaru089.ml/go/gl01/internal/util"
 	"edgaru089.ml/go/gl01/internal/util/itype"
 	"edgaru089.ml/go/gl01/internal/world"
 	"github.com/go-gl/glfw/v3.3/glfw"
@@ -22,6 +23,8 @@ type guiState struct {
 
 	lastframeCgoCalls int64
 
+	lastCountSec *util.Clock
+
 	loadChunkFile string
 	loadChunkID   [2]int32
 
@@ -56,6 +59,10 @@ func (g *Game) imgui() {
 	io.Diagnostics.CgoCalls = runtime.NumCgoCall() - g.gui.lastframeCgoCalls
 	g.gui.lastframeCgoCalls = runtime.NumCgoCall()
 
+	/*if g.gui.lastCountSec.Elapsed() >= time.Second {
+		g.gui.lastCountSec.Restart()
+	}*/
+
 	if io.ShowDebugInfo {
 		imgui.SetNextWindowPosV(imgui.Vec2{}, imgui.ConditionAlways, imgui.Vec2{})
 		imgui.SetNextWindowSize(imgui.Vec2{X: float32(io.DisplaySize[0]), Y: float32(io.DisplaySize[1])})