From 329310a3e932c1eb006092e320bd58ad9b4f4980 Mon Sep 17 00:00:00 2001
From: Randy McShandy <randy@mcshandy.xyz>
Date: Thu, 9 May 2024 22:43:08 -0500
Subject: [PATCH] Some changes I like but mostly End Of Day

---
 src/render_raylib.c     | 13 ++++++++++---
 src/shaders/lighting.fs | 23 ++++++++++++++++++-----
 2 files changed, 28 insertions(+), 8 deletions(-)

diff --git a/src/render_raylib.c b/src/render_raylib.c
index 2eeff4e..ecefbf6 100644
--- a/src/render_raylib.c
+++ b/src/render_raylib.c
@@ -5,7 +5,6 @@
 
 Vector2 fscreen_dims;
 Camera3D cam;
-
 Image barrow_image;
 Texture barrow_texture;
 Texture barrow_albedo;
@@ -33,7 +32,7 @@ int screen_dims_shader_loc;
 Vector3 player_velocity;
 Vector3 player_rotation;
 
-float forward_speed = 0.025f;
+float forward_speed = 0.015f;
 float forward_speed_decay = 0.05f;
 float rotate_speed = 0.8f;
 float rotate_speed_decay = 0.10f;
@@ -76,9 +75,13 @@ void process_inputs()
 	while((key = GetKeyPressed()));
 }
 
+void initialize_prerenderer()
+{
+	fscreen_dims = (Vector2){.x=1200.0f, .y=800.0f};
+}
+
 void initialize_renderer()
 {
-	fscreen_dims = (Vector2){.x=screen_dims.x, .y=screen_dims.y};
 
 	shader = LoadShader("./src/shaders/lighting.vs", "./src/shaders/lighting.fs");
 	shader.locs[SHADER_LOC_VECTOR_VIEW] = GetShaderLocation(shader, "viewPos");
@@ -137,7 +140,9 @@ void initialize_renderer()
 
 void start_render_loop()
 {
+	initialize_prerenderer();
 	InitWindow(fscreen_dims.x, fscreen_dims.y, screen_title);
+	SetWindowState(FLAG_VSYNC_HINT | FLAG_WINDOW_RESIZABLE);
 	initialize_renderer();
 
 	Rectangle minimap_dest = {.width = 64.0f*img_export_scale.x, .height = 64.0f*img_export_scale.y, .x = 0.0f, .y = 0.0f};
@@ -151,6 +156,7 @@ void start_render_loop()
 		SetShaderValue(shader, screen_dims_shader_loc, &fscreen_dims, SHADER_UNIFORM_VEC2);
 
 		UpdateCameraPro(&cam, player_velocity, player_rotation, 0.0f);
+
 		BeginDrawing();
 			ClearBackground(BLACK);
 
@@ -162,6 +168,7 @@ void start_render_loop()
 			EndMode3D();
 
 			DrawTexturePro(barrow_texture, minimap_src, minimap_dest, (Vector2){0.0f, 0.0f}, 0.0f, RAYWHITE);
+			DrawText(TextFormat("%f, %f", fscreen_dims.x, fscreen_dims.y), 0, 32, 32, RAYWHITE);
 			DrawFPS(10, 10);
 		EndDrawing();
 
diff --git a/src/shaders/lighting.fs b/src/shaders/lighting.fs
index 1490625..30d1922 100644
--- a/src/shaders/lighting.fs
+++ b/src/shaders/lighting.fs
@@ -17,6 +17,8 @@ out vec4 finalColor;
 const vec3 v3_unit = vec3(1.0f, 1.0f, 1.0f);
 float lumWeight = 0.0f;
 
+const vec2 candle_pos = vec2(0.5, 0.5);
+
 // A single iteration of Bob Jenkins' One-At-A-Time hashing algorithm.
 uint hash( uint x ) {
     x += ( x << 10u );
@@ -80,12 +82,12 @@ void main()
     // Texel color fetching from texture sampler
     vec4 texelColor = texture(texture0, fragTexCoord);
 
-    // NOTE: Implement here your fragment shader code
-
-		const float max_dist = 6.0f;
+		const float max_dist = 4.0f;
 		const float max_lum = 0.7f;
 		float cam_dist_z = gl_FragCoord.z/gl_FragCoord.w;
-		float norm_dist_z = cam_dist_z/max_dist;
+		float norm_dist_z = (cam_dist_z/max_dist);
+
+		vec2 uv = gl_FragCoord.xy/screen_dims;
 
     finalColor = texelColor*colDiffuse;
 
@@ -93,7 +95,7 @@ void main()
 		{
 			float norm_x_dist = abs(gl_FragCoord.x - (screen_dims.x/2))/(screen_dims.x/2);
 			lumWeight = min(max_lum, 1.0f - easeInQuart(norm_dist_z));
-			}
+		}
 
 		vec3 lumWeights = v3_unit * lumWeight;
 		float lum = dot(finalColor.rgb, lumWeights);
@@ -101,4 +103,15 @@ void main()
 		lumWeights *= lum;
 		finalColor.rgb = mix(vec3(227/255, 60/255, 0/255), finalColor.rgb, lumWeights);
 		finalColor.a = 1.0f;
+
+		// All single color channel variations with this looks cool as FUCK
+		// turns this into three levels going b-r-g
+		//float norm_y_dist = (gl_FragCoord.y * screen_dims.y) / screen_dims.y;
+		float norm_y_dist = uv.y;
+		finalColor.b = 0.0f;
+
+		if(distance(uv, vec2(0.25, 0.35)) <= 0.25)
+		{
+			finalColor.b = 1.0f;
+		}
 }
-- 
2.49.0