Added bounds checking for triangles.

src/render.c

@@ -1,5 +1,7 @@
 #include "include/render.h"
 #include "include/gen.h"
+#include "include/geom.h"
+#include "include/util.h"
 
 #include <raylib.h>
 #include <stdio.h>
@@ -18,27 +20,44 @@ Vector2 PointpToVector2(Pt* p) {
     return v;
 }
 
-void render() {
-    for (int i = 0; i < NPLATES; i++) {
-        Plate plate = lith[i];
+void draw_tri(Tri* tri) {
+    DrawTriangleLines(
+        PointToVector2(tri->a), PointToVector2(tri->b), PointToVector2(tri->c),
+        RED
+    );
+}
 
-        DrawTriangleLines(
-            PointToVector2(plate.tris[0].a), PointToVector2(plate.tris[0].b),
-            PointToVector2(plate.tris[0].c), RED
-        );
-        printf(
-            ">>>>>>>>>>>>>>>>>>%i %i\n", plate.tris[0].a.x, plate.tris[0].a.y
-        );
+// bad.
+void draw_tri_inside(Tri* tri, Color col) {
+    // int maxx = MAX3(tri->a.x, tri->b.x, tri->c.x);
+    // int maxy = MAX3(tri->a.y, tri->b.y, tri->c.y);
+    // int minx = MIN3(tri->a.y, tri->b.y, tri->c.y);
+    // int miny = MIN3(tri->a.y, tri->b.y, tri->c.y);
+    for (int x = 0; x <= WORLD_SZ; x++) {
+        for (int y = 0; y < WORLD_SZ; y++) {
+            if (tri_within((Pt){x, y}, tri)) {
+                DrawCircleV(PointToVector2((Pt){x, y}), 4.f, col);
+            }
+        }
     }
+}
 
+void render() {
     for (int x = 0; x < WORLD_SZ; x++) {
         for (int y = 0; y < WORLD_SZ; y++) {
             Vector2 v = PointToVector2((Pt){x, y});
             DrawCircleV(v, 4.f, WHITE);
             DrawLineV(
-                v, (Vector2){v.x + asth[x][y].x * 8, v.y + asth[x][y].y * 8},
+                v,
+                (Vector2){v.x + asth[x][y].x * WORLD_SZ,
+                          v.y + asth[x][y].y * WORLD_SZ},
                 WHITE
             );
         }
     }
+    for (int i = 0; i < NPLATES; i++) {
+        Plate plate = lith[i];
+        draw_tri(plate.tris);
+        draw_tri_inside(plate.tris, plate.col);
+    }
 }