New action for Physics behavior: Set the linear velocity towards an a…

…ngle (#5670)
4ian · Mar 27, 2024 · 368da1b · 368da1b
1 parent 4ee4320
commit 368da1b
Show file tree

Hide file tree

Showing 2 changed files with 37 additions and 0 deletions.
diff --git a/Extensions/Physics2Behavior/JsExtension.js b/Extensions/Physics2Behavior/JsExtension.js
@@ -1415,6 +1415,26 @@ module.exports = {
       .getCodeExtraInformation()
       .setFunctionName('getLinearVelocityAngle');
 
+    aut
+      .addAction(
+        'LinearVelocityAngle',
+        _('Linear velocity towards an angle'),
+        _('Set the linear velocity towards an angle.'),
+        _(
+          'Set the linear velocity of _PARAM0_ towards angle: _PARAM2_ degrees, speed: _PARAM3_ pixels per second'
+        ),
+        _('Velocity'),
+        'res/physics32.png',
+        'res/physics32.png'
+      )
+      .addParameter('object', _('Object'), '', false)
+      .addParameter('behavior', _('Behavior'), 'Physics2Behavior')
+      .addParameter('expression', _('Angle'))
+      .addParameter('expression', _('Speed (in pixels per second)'))
+      .getCodeExtraInformation()
+      .setFunctionName('setLinearVelocityAngle')
+      .setGetter('getLinearVelocityAngle');
+
     aut
       .addExpression(
         'LinearVelocityAngle',

diff --git a/Extensions/Physics2Behavior/physics2runtimebehavior.ts b/Extensions/Physics2Behavior/physics2runtimebehavior.ts
@@ -1429,6 +1429,23 @@ namespace gdjs {
       );
     }
 
+    setLinearVelocityAngle(angle: float, linearVelocity: float): void {
+      // If there is no body, set a new one
+      if (this._body === null) {
+        if (!this.createBody()) return;
+      }
+      const body = this._body!;
+
+      // Set the linear velocity toward an angle
+      angle = gdjs.toRad(angle);
+      body.SetLinearVelocity(
+        this.b2Vec2(
+          linearVelocity * Math.cos(angle) * this._sharedData.invScaleX,
+          linearVelocity * Math.sin(angle) * this._sharedData.invScaleY
+        )
+      );
+    }
+
     getAngularVelocity(): float {
       // If there is no body, set a new one
       if (this._body === null) {