triangulation of polygons possible via public api

Author: miho

build.gradle

@@ -2,8 +2,8 @@ plugins {
     id 'application'
     id 'java'
     id 'maven-publish'
-    id 'net.nemerosa.versioning' version '1.5.0'
-    id 'com.jfrog.bintray' version '1.6'
+    id 'net.nemerosa.versioning' version '2.6.1'
+    id 'com.jfrog.bintray' version '1.7.2'
 }
 
 sourceCompatibility = '1.8'
@@ -13,7 +13,7 @@ sourceCompatibility = '1.8'
 //repairHeaders.licenseHeaderText = new File(projectDir,'./license-template.txt')
 
 task wrapper(type: Wrapper, description: 'Creates and deploys the Gradle wrapper to the current directory.') {
-    gradleVersion = '4.0'
+    gradleVersion = '4.6'
 }
 
 if (!hasProperty('mainClass')) {

gradle.properties

@@ -1,2 +1,2 @@
 group   = eu.mihosoft.vrl.jcsg
-version = 0.5.7-SNAPSHOT
+version = 0.5.7

src/main/java/eu/mihosoft/jcsg/Polygon.java

@@ -272,6 +272,38 @@ public StringBuilder toStlString(StringBuilder sb) {
         return sb;
     }
 
+    /**
+     * Returns a triangulated version of this polygon.
+     *
+     * @return triangles
+     */
+    public List<Polygon> toTriangles() {
+
+        List<Polygon> result = new ArrayList<>();
+
+        if (this.vertices.size() >= 3) {
+
+            // TODO: improve the triangulation?
+            //
+            // If our polygon has more vertices, create
+            // multiple triangles:
+            Vertex firstVertexStl = this.vertices.get(0);
+            for (int i = 0; i < this.vertices.size() - 2; i++) {
+
+                // create triangle
+                Polygon polygon = Polygon.fromPoints(
+                        firstVertexStl.pos,
+                        this.vertices.get(i + 1).pos,
+                        this.vertices.get(i + 2).pos
+                );
+
+                result.add(polygon);
+            }
+        }
+
+        return result;
+    }
+
     /**
      * Translates this polygon.
      *