New geometry data structures.

src/render.c

@@ -3,12 +3,18 @@
 
 #include <raylib.h>
 #include <stdio.h>
-#include <stdlib.h>
 
 Vector2 PointToVector2(Pt p) {
     Vector2 v;
-    v.x = (float)(p.x * 100) + 50;
-    v.y = (float)(p.y * 100) + 50;
+    v.x = (float)(p.x * 100) + 50.;
+    v.y = (float)(p.y * 100) + 50.;
+    return v;
+}
+
+Vector2 PointpToVector2(Pt* p) {
+    Vector2 v;
+    v.x = (float)(p->x * 100) + 50;
+    v.y = (float)(p->y * 100) + 50;
     return v;
 }
 
@@ -16,23 +22,13 @@ void render() {
     for (int i = 0; i < NPLATES; i++) {
         Plate plate = lith[i];
 
-        // Skip plates with less than 3 vertices (can't form a polygon).
-        if (plate.nverts < 3) continue;
-
-        // Convert the vertices from world coordinates (Pt) to screen
-        // coordinates (Vector2).
-        Vector2 screen_verts[10];
-        for (int j = 0; j < plate.nverts; j++) {
-            screen_verts[j] = PointToVector2(plate.verts[j]);
-        }
-
-        for (int j = 0; j < plate.nverts; j++) {
-            Vector2 p1 = screen_verts[j];
-            Vector2 p2 =
-                screen_verts[(j + 1) % plate.nverts]; // Loop back to the first
-                                                      // point
-            DrawLineV(p1, p2, WHITE);
-        }
+        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
+        );
     }
 
     for (int x = 0; x < WORLD_SZ; x++) {