diff --git a/src/main/java/org/terasology/math/delaunay/Site.java b/src/main/java/org/terasology/math/delaunay/Site.java
index e30a77e..d998049 100644
--- a/src/main/java/org/terasology/math/delaunay/Site.java
+++ b/src/main/java/org/terasology/math/delaunay/Site.java
@@ -226,7 +226,7 @@ private void connect(List<Vector2fc> points, int j, Rectanglef bounds, boolean c
                         points.add(new Vector2f(px, py));
                     } else if ((newCheck & BoundsCheck.LEFT) != 0) {
 
-                        if (rightPoint.y() - bounds.minY + newPoint.y() - bounds.minY < (bounds.maxY  - bounds.minY)) {
+                        if (rightPoint.y() - bounds.minY + newPoint.y() - bounds.minY < bounds.getSizeY()) {
                             py = bounds.minY;
                         } else {
                             py = bounds.maxY;
@@ -243,7 +243,7 @@ private void connect(List<Vector2fc> points, int j, Rectanglef bounds, boolean c
                         py = bounds.minY;
                         points.add(new Vector2f(px, py));
                     } else if ((newCheck & BoundsCheck.RIGHT) != 0) {
-                        if (rightPoint.y() - bounds.minY + newPoint.y() - bounds.minY < (bounds.maxY  - bounds.minY)) {
+                        if (rightPoint.y() - bounds.minY + newPoint.y() - bounds.minY < bounds.getSizeY()) {
                             py = bounds.minY;
                         } else {
                             py = bounds.maxY;
@@ -260,7 +260,7 @@ private void connect(List<Vector2fc> points, int j, Rectanglef bounds, boolean c
                         px = bounds.minX;
                         points.add(new Vector2f(px, py));
                     } else if ((newCheck & BoundsCheck.BOTTOM) != 0) {
-                        if (rightPoint.x() - bounds.minX + newPoint.x() - bounds.minX < (bounds.maxX - bounds.minX)) {
+                        if (rightPoint.x() - bounds.minX + newPoint.x() - bounds.minX < bounds.getSizeX()) {
                             px = bounds.minX;
                         } else {
                             px = bounds.maxX;
@@ -277,7 +277,7 @@ private void connect(List<Vector2fc> points, int j, Rectanglef bounds, boolean c
                         px = bounds.minX;
                         points.add(new Vector2f(px, py));
                     } else if ((newCheck & BoundsCheck.TOP) != 0) {
-                        if (rightPoint.x() - bounds.minX + newPoint.x() - bounds.minX < (bounds.maxX - bounds.minX)) {
+                        if (rightPoint.x() - bounds.minX + newPoint.x() - bounds.minX < bounds.getSizeX()) {
                             px = bounds.minX;
                         } else {
                             px = bounds.maxX;
diff --git a/src/main/java/org/terasology/polyworld/sampling/NaivePointSampling.java b/src/main/java/org/terasology/polyworld/sampling/NaivePointSampling.java
index d4a3c37..3694ef3 100644
--- a/src/main/java/org/terasology/polyworld/sampling/NaivePointSampling.java
+++ b/src/main/java/org/terasology/polyworld/sampling/NaivePointSampling.java
@@ -36,8 +36,8 @@ public class NaivePointSampling implements PointSampling {
     public List<Vector2fc> create(Rectanglef bounds, int numSites, Random rng) {
         List<Vector2fc> points = Lists.newArrayListWithCapacity(numSites);
         for (int i = 0; i < numSites; i++) {
-            float px = bounds.minX + rng.nextFloat() * (bounds.maxX - bounds.minX);
-            float py = bounds.minY + rng.nextFloat() * (bounds.maxY - bounds.minY);
+            float px = bounds.minX + rng.nextFloat() * bounds.getSizeX();
+            float py = bounds.minY + rng.nextFloat() * bounds.getSizeY();
             points.add(new Vector2f(px, py));
         }
         return points;
diff --git a/src/main/java/org/terasology/polyworld/sampling/PoissonDiscSampling.java b/src/main/java/org/terasology/polyworld/sampling/PoissonDiscSampling.java
index f722e6c..82ef285 100644
--- a/src/main/java/org/terasology/polyworld/sampling/PoissonDiscSampling.java
+++ b/src/main/java/org/terasology/polyworld/sampling/PoissonDiscSampling.java
@@ -56,8 +56,8 @@ protected float getMinRadius(Rectanglef bounds, int numSites) {
         int cols = dims.x();
         int rows = dims.y();
 
-        float cellWidth = (bounds.maxX - bounds.minX) / cols;
-        float cellHeight = (bounds.maxY - bounds.minY) / rows;
+        float cellWidth = bounds.getSizeX() / cols;
+        float cellHeight = bounds.getSizeY() / rows;
         float minRad = Math.min(cellHeight, cellWidth) * 0.5f; // they should be identical
         return minRad;
     }
@@ -69,8 +69,8 @@ public List<Vector2fc> create(Rectanglef bounds, int numSites, Random rng) {
         int cols = dims.x();
         int rows = dims.y();
 
-        float cellWidth = (bounds.maxX - bounds.minX) / cols;
-        float cellHeight = (bounds.maxY - bounds.minY) / rows;
+        float cellWidth = bounds.getSizeX() / cols;
+        float cellHeight = bounds.getSizeY() / rows;
         float minRad = getMinRadius(bounds, numSites);
 
 
diff --git a/src/test/java/org/terasology/polyworld/sampling/PoissonDiscTestView.java b/src/test/java/org/terasology/polyworld/sampling/PoissonDiscTestView.java
index d866ca8..eca50a0 100644
--- a/src/test/java/org/terasology/polyworld/sampling/PoissonDiscTestView.java
+++ b/src/test/java/org/terasology/polyworld/sampling/PoissonDiscTestView.java
@@ -90,15 +90,15 @@ private void drawDebug(Rectanglef bounds, Graphics2D g) {
                 int cols = dims.x();
                 int rows = dims.y();
 
-                float cellWidth = (float) (bounds.maxX - bounds.minX) / cols;
-                float cellHeight = (float) (bounds.maxY - bounds.minY) / rows;
+                float cellWidth = (float) bounds.getSizeX() / cols;
+                float cellHeight = (float) bounds.getSizeY() / rows;
 
                 g.translate(bounds.minX, bounds.minY);
                 for (int i = 0; i <= cols; i++) {
                     g.drawLine((int) (i * cellWidth), 0, (int) (i * cellWidth), (int) (bounds.maxY - bounds.minY));
                 }
                 for (int i = 0; i <= rows; i++) {
-                    g.drawLine(0, (int) (i * cellHeight), (int) (bounds.maxX - bounds.minX), (int) (i * cellHeight));
+                    g.drawLine(0, (int) (i * cellHeight), (int) (bounds.getSizeX()), (int) (i * cellHeight));
                 }
                 g.translate(-bounds.minX, -bounds.minY);
             }