1 files changed, 25 insertions(+), 2 deletions(-)

M main.js

@@ 112,6 112,12 @@ function drawPeg(position, color = 'white', size = 2) {
     GIZMOS.line(v, v.clone().add(new THREE.Vector3(0, size, 0)), new THREE.Color(color))
 }
 
+const zones = []
+zones.push({
+    box: new THREE.Box2(new THREE.Vector2(-40, -100), new THREE.Vector2(40, -50)),
+    velocity: new THREE.Vector2(0, -1).normalize()
+})
+
 const terrain = []
 function makeTerrainPath(path) {
     for (let i = 0; i < path.length - 1; i++)


@@ 135,10 141,19 @@ makeTerrainPath([
 
 
 SCHED.add(function* () {
-    const blue = new THREE.Color('blue')
+    const blue = new THREE.Color(0x2929ff)
+    const green = new THREE.Color(0x0aff0a)
+    const center = new THREE.Vector2()
     while (true) {
-        for (const segment of terrain) {
+        for (const segment of terrain)
             GIZMOS.line(toVector3(segment.from), toVector3(segment.to), blue)
+        for (const zone of zones) {
+            GIZMOS.line(toVector3(zone.box.min), toVector3(new THREE.Vector2(zone.box.min.x, zone.box.max.y)), green)
+            GIZMOS.line(toVector3(new THREE.Vector2(zone.box.min.x, zone.box.max.y)), toVector3(zone.box.max), green)
+            GIZMOS.line(toVector3(zone.box.max), toVector3(new THREE.Vector2(zone.box.max.x, zone.box.min.y)), green)
+            GIZMOS.line(toVector3(new THREE.Vector2(zone.box.max.x, zone.box.min.y)), toVector3(zone.box.min), green)
+            zone.box.getCenter(center)
+            GIZMOS.line(toVector3(center), toVector3(center.clone().addScaledVector(zone.velocity, 20)), green)
         }
         yield
     }


@@ 204,6 219,14 @@ SCHED.add(function* sheep() {
                 color = 'yellow'
             }
 
+            // zone
+            for (const zone of zones) {
+                if (zone.box.containsPoint(sheep.position)) {
+                    sheep.velocity.addScaledVector(zone.velocity, 2)
+                    color = 0x007062
+                }
+            }
+
             // avoid terrain
             const line = new THREE.Line3()
             const closest = new THREE.Vector3()