more features

ReadMe.md

@@ -17,7 +17,8 @@ A C Sierpinski thingy
 | E   | Quad Scale I  |
 | R   | Quad Scale II |
 | U   | Quad Vertscale|
-| P   | Pentagon      |
+| P   | Penta Mode    |
+| O   | Penta Nodouble|
 
 ### Scale mode (Press S)
 ![Sierpinski Fractal](s.png)
@@ -37,6 +38,9 @@ A C Sierpinski thingy
 ### Quadscale II mode (Press R)
 ![Sierpinski Fractal](r.png)
 
+### Penta Nodouble (Press O)
+![Sierpinski Fractal](o.png)
+
 ## Building
 
-Run the `build.bat` file.
+Look at the `build.bat` file.

main.c

@@ -27,6 +27,7 @@ u32 get_color(isize i, bool enable_colors) {
             break;case 1: return 0xFF00FF00;
             break;case 2: return 0xFF0000FF;
             break;case 3: return 0xFFFFFFFF;
+            break;case 4: return 0xFFFF00FF;
         }
     }
     return 0xFFFFFFFF;
@@ -44,6 +45,7 @@ typedef enum {
     RM_RSCALE,
     RM_ZSCALE,
     RM_PENTA,
+    RM_PENTA_NODOUBLE
 } RenderMode;
 
 typedef struct {
@@ -137,6 +139,9 @@ int WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR     lpCmdLine,int
         if (platform.keys['P'] == gbKeyState_Released) {
             app.mode = RM_PENTA;
         }
+        if (platform.keys['O'] == gbKeyState_Released) {
+            app.mode = RM_PENTA_NODOUBLE;
+        }
 
         //render
 
@@ -304,6 +309,25 @@ int WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPSTR     lpCmdLine,int
                 gb_platform_update(&platform);
                 gb_platform_display(&platform);
             }
+            break;case RM_PENTA_NODOUBLE: {
+                isize last_i = 0;
+                penta_xs[1] = (sin((double)counter)*(platform.window_width-1))/2+platform.window_width/2;
+                for(isize it = 0; it < 10000; it++) {
+                    isize i = pcg32_boundedrand(5);
+                    if (i != last_i) {
+                        x = (x + penta_xs[i])/2;
+                        y = (y + penta_ys[i])/2;
+                    }
+                    last_i = i;
+                    if (0 <= x && x < platform.window_width && 0 <= y && y < platform.window_height) {
+                        putpixel(&platform, x, y, get_color(i, app.enable_colors));
+                    }
+                    putpixel(&platform, pcg32_boundedrand(platform.window_width), pcg32_boundedrand(platform.window_height), 0);
+                };
+                counter += 1e-3;
+                gb_platform_update(&platform);
+                gb_platform_display(&platform);
+            }
         }
 
     };