Impulses, and entirely finished with rigid body demo #1

1 files changed, 8 insertions, 8 deletions

diff --git a/2d/rigidbody/rigidbody_1/snippet2.cpp b/2d/rigidbody/rigidbody_1/snippet2.cpp
index 8ad468c..1288209 100644
--- a/2d/rigidbody/rigidbody_1/snippet2.cpp
+++ b/2d/rigidbody/rigidbody_1/snippet2.cpp
@@ -6,14 +6,6 @@ struct Rigidbody {
     Vector2 position = { 0, 0 };
     float32 mass = 1.f;
 
-    void applyForce(Vector2 f) {
-        force += f;
-    }
-
-    void applyGravity(float32 deltaTimeSeconds) {
-        velocity += (Vector2 { 0.f, -50.f } * deltaTimeSeconds);
-    }
-
     void update(float32 deltaTimeSeconds) {
         applyGravity(deltaTimeSeconds);
         
@@ -22,4 +14,12 @@ struct Rigidbody {
         position += (velocity * deltaTimeSeconds);
         force = Vector2 { 0.f, 0.f };
     }
+
+    void applyGravity(float32 deltaTimeSeconds) {
+        velocity += (Vector2 { 0.f, -9.8.f } * deltaTimeSeconds);
+    }
+
+    void applyForce(Vector2 f) {
+        force += f;
+    }
 };