Added Post Processing, Improved UI a lot, Made File Explorer look nicer, Fixed up Raycast Selection, Added Placeholder Playmode Button, Added cameras, Organized Create menu in Inspector, Added outlines to selected objects, added view output for viewing cameras while in Playmode area.

Resources/Shaders/postfx_bright_frag.glsl

@@ -0,0 +1,15 @@
+#version 330 core
+out vec4 FragColor;
+
+in vec2 TexCoord;
+
+uniform sampler2D sceneTex;
+uniform float threshold = 1.0;
+
+void main() {
+    vec3 c = texture(sceneTex, TexCoord).rgb;
+    float luma = dot(c, vec3(0.2125, 0.7154, 0.0721));
+    float bright = max(luma - threshold, 0.0);
+    vec3 masked = c * step(0.0, bright);
+    FragColor = vec4(masked, 1.0);
+}