From 633ac6cc977daffba030b84459fba77c67b901f5 Mon Sep 17 00:00:00 2001
From: realtradam <github@tradam.dev>
Date: Sat, 14 May 2022 01:44:34 -0400
Subject: small cleanup

---
 build.zig        |   2 ++
 shadersample.png | Bin 0 -> 18073 bytes
 src/main.zig     |  23 ++++++++++++++++++-----
 3 files changed, 20 insertions(+), 5 deletions(-)
 create mode 100644 shadersample.png

diff --git a/build.zig b/build.zig
index f8394ee..ffbdc68 100644
--- a/build.zig
+++ b/build.zig
@@ -11,6 +11,8 @@ pub fn build(b: *std.build.Builder) void {
     // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall.
     const mode = b.standardReleaseOptions();
 
+    // wasm32-freestanding-musl
+
     const exe = b.addExecutable("testraylib", "src/main.zig");
     exe.linkSystemLibrary("c");
     exe.linkSystemLibrary("raylib");
diff --git a/shadersample.png b/shadersample.png
new file mode 100644
index 0000000..7c8ef0b
Binary files /dev/null and b/shadersample.png differ
diff --git a/src/main.zig b/src/main.zig
index 4c4dca5..638a639 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -24,7 +24,7 @@ var shader_stretcher: Shader = undefined;
 var shader_colour_splitter: Shader = undefined;
 var shader_pixalizer: Shader = undefined;
 
-var slider: f32 = 0;
+var slider: f32 = -105;
 const slider_max: f32 = 0;
 const slider_min: f32 = -250;
 
@@ -209,7 +209,7 @@ pub fn main() !void {
             return;
         };
 
-        slider = ray.GuiSlider(ray.Rectangle{ .x = 70, .y = 32 * scale + 24 + 10, .width = (64 * scale) - 128, .height = 30 }, "Curve Amount", @ptrCast([*c]const u8, slider_str), slider, slider_min, slider_max);
+        slider = ray.GuiSlider(ray.Rectangle{ .x = 70, .y = 32 * scale + 24 + 10, .width = (64 * scale) - 128, .height = 30 }, "Curve", @ptrCast([*c]const u8, slider_str), slider, slider_min, slider_max);
 
         if (delay == execute_delay) {
             chip8.emulate_cycles(1);
@@ -273,7 +273,6 @@ fn update_screen(screen: *ray.RenderTexture, pixels: [2048]bool) void {
     ray.EndTextureMode();
 
     ray.BeginTextureMode(temp_canvas);
-    ray.BeginShaderMode(shader_pixalizer.shader);
     ray.DrawTexturePro(
         screen.texture,
         ray.Rectangle{ .x = 0, .y = 0, .width = @intToFloat(f32, screen.texture.width), .height = @intToFloat(f32, screen.texture.height) },
@@ -282,6 +281,18 @@ fn update_screen(screen: *ray.RenderTexture, pixels: [2048]bool) void {
         0,
         ray.WHITE,
     );
+    ray.EndTextureMode();
+
+    ray.BeginTextureMode(temp_canvas);
+    ray.BeginShaderMode(shader_pixalizer.shader);
+    ray.DrawTexturePro(
+        temp_canvas.texture,
+        ray.Rectangle{ .x = 0, .y = 0, .width = @intToFloat(f32, temp_canvas.texture.width), .height = @intToFloat(f32, temp_canvas.texture.height) },
+        ray.Rectangle{ .x = 0, .y = 0, .width = 64 * scale, .height = 32 * scale },
+        ray.Vector2{ .x = 0, .y = 0 },
+        0,
+        ray.WHITE,
+    );
     ray.EndShaderMode();
     ray.EndTextureMode();
 
@@ -290,7 +301,7 @@ fn update_screen(screen: *ray.RenderTexture, pixels: [2048]bool) void {
     ray.DrawTexturePro(
         temp_canvas.texture,
         ray.Rectangle{ .x = 0, .y = 0, .width = @intToFloat(f32, temp_canvas.texture.width), .height = @intToFloat(f32, temp_canvas.texture.height) },
-        ray.Rectangle{ .x = 0, .y = 24, .width = 64 * scale, .height = 32 * scale },
+        ray.Rectangle{ .x = 0, .y = 0, .width = 64 * scale, .height = 32 * scale },
         ray.Vector2{ .x = 0, .y = 0 },
         0,
         ray.WHITE,
@@ -298,14 +309,16 @@ fn update_screen(screen: *ray.RenderTexture, pixels: [2048]bool) void {
     ray.EndShaderMode();
     ray.EndTextureMode();
 
+    //ray.BeginTextureMode(temp_canvas);
     ray.BeginShaderMode(shader_stretcher.shader);
     ray.DrawTexturePro(
         temp_canvas.texture,
-        ray.Rectangle{ .x = 0, .y = 0, .width = @intToFloat(f32, temp_canvas.texture.width), .height = @intToFloat(f32, temp_canvas.texture.height) },
+        ray.Rectangle{ .x = 0, .y = 0, .width = @intToFloat(f32, temp_canvas.texture.width), .height = -@intToFloat(f32, temp_canvas.texture.height) },
         ray.Rectangle{ .x = 0, .y = 24, .width = 64 * scale, .height = 32 * scale },
         ray.Vector2{ .x = 0, .y = 0 },
         0,
         ray.WHITE,
     );
     ray.EndShaderMode();
+    //ray.EndTextureMode();
 }
-- 
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