Marching cubes.

src/render.c

@@ -0,0 +1,51 @@
+#include "include/render.h"
+
+#include "include/vol.h"
+
+#include <raylib.h>
+
+void render(void) {
+    InitWindow(SCREEN_WIDTH, SCREEN_HEIGHT, "Terrin");
+
+    Camera3D cam = {0};
+    cam.position =
+        (Vector3){VOL_WIDTH / 2.f, VOL_HEIGHT * .75f, VOL_DEPTH / 2.f};
+    cam.target = (Vector3){0, 0, 0};
+    cam.up = (Vector3){0.0f, 1.0f, 0.0f};
+    cam.fovy = 70.f;
+    cam.projection = CAMERA_PERSPECTIVE;
+
+    SetTargetFPS(110);
+
+    while (!WindowShouldClose()) {
+        UpdateCamera(&cam, CAMERA_FREE);
+
+        BeginDrawing();
+
+        ClearBackground((Color){0, 0, 0, 0});
+
+        BeginMode3D(cam);
+
+        for (int x = 0; x < VOL_WIDTH; x++) {
+            for (int y = 0; y < VOL_HEIGHT; y++) {
+                for (int z = 0; z < VOL_DEPTH; z++) {
+
+                    Pt v = volume[x][y][z];
+
+                    DrawSphere(
+                        (Vector3){(float)x, (float)y, (float)z}, 0.2f,
+                        (Color){v.col.r, v.col.g, v.col.b, 255}
+                    );
+                }
+            }
+        }
+
+        EndMode3D();
+
+        DrawFPS(10, 10);
+
+        EndDrawing();
+    }
+
+    CloseWindow();
+}