From 05c4522e5ff424c65aab7cd36c7a15313630ac61 Mon Sep 17 00:00:00 2001 From: Matthew Kosarek Date: Sun, 25 Jul 2021 20:20:10 -0400 Subject: (mkosarek) Fix for wrong timestep --- 2d/_collisions/polygon_polygon/dist/output.wasm | Bin 58079 -> 58262 bytes 2d/_collisions/polygon_polygon/main.cpp | 2 +- 2d/rigidbody/rigidbody_1.html | 2 +- 2d/rigidbody/rigidbody_1/dist/output.wasm | Bin 48801 -> 49033 bytes 2d/rigidbody/rigidbody_1/main.cpp | 7 +++---- 2d/rigidbody/rigidbody_1/snippet3.cpp | 2 +- 2d/rigidbody/rigidbody_2/dist/output.wasm | Bin 50226 -> 50452 bytes 2d/rigidbody/rigidbody_2/main.cpp | 2 +- 2d/rigidbody/rigidbody_3/dist/output.wasm | Bin 49458 -> 49653 bytes 2d/rigidbody/rigidbody_3/main.cpp | 2 +- 10 files changed, 8 insertions(+), 9 deletions(-) (limited to '2d') diff --git a/2d/_collisions/polygon_polygon/dist/output.wasm b/2d/_collisions/polygon_polygon/dist/output.wasm index a047d19..055fbb7 100755 Binary files a/2d/_collisions/polygon_polygon/dist/output.wasm and b/2d/_collisions/polygon_polygon/dist/output.wasm differ diff --git a/2d/_collisions/polygon_polygon/main.cpp b/2d/_collisions/polygon_polygon/main.cpp index 620edaa..9cb3eb2 100644 --- a/2d/_collisions/polygon_polygon/main.cpp +++ b/2d/_collisions/polygon_polygon/main.cpp @@ -72,7 +72,7 @@ struct Rigidbody { float32 impulseDtSeconds = nextTimeAppliedSeconds - i.timeAppliedSeconds; Vector2 forceToApply = i.force * (impulseDtSeconds / i.timeOfApplicationSeconds); - force += forceToApply * impulseDtSeconds; + force += forceToApply; i.timeAppliedSeconds = nextTimeAppliedSeconds; diff --git a/2d/rigidbody/rigidbody_1.html b/2d/rigidbody/rigidbody_1.html index b98d292..0d50904 100644 --- a/2d/rigidbody/rigidbody_1.html +++ b/2d/rigidbody/rigidbody_1.html @@ -200,7 +200,7 @@ // to calculate the fractional amount of force that was applied in this frame. float32 impulseDtSeconds = nextTimeAppliedSeconds - i.timeAppliedSeconds; Vector2 forceToApply = i.force * (impulseDtSeconds / i.timeOfApplicationSeconds); - force += forceToApply * impulseDtSeconds; + force += forceToApply; i.timeAppliedSeconds = nextTimeAppliedSeconds; } diff --git a/2d/rigidbody/rigidbody_1/dist/output.wasm b/2d/rigidbody/rigidbody_1/dist/output.wasm index f6625a9..b9f4c37 100755 Binary files a/2d/rigidbody/rigidbody_1/dist/output.wasm and b/2d/rigidbody/rigidbody_1/dist/output.wasm differ diff --git a/2d/rigidbody/rigidbody_1/main.cpp b/2d/rigidbody/rigidbody_1/main.cpp index 88c322c..a327fee 100644 --- a/2d/rigidbody/rigidbody_1/main.cpp +++ b/2d/rigidbody/rigidbody_1/main.cpp @@ -61,8 +61,7 @@ struct Rigidbody { float32 impulseDtSeconds = nextTimeAppliedSeconds - i.timeAppliedSeconds; Vector2 forceToApply = i.force * (impulseDtSeconds / i.timeOfApplicationSeconds); - force += forceToApply * impulseDtSeconds; - + force += forceToApply; i.timeAppliedSeconds = nextTimeAppliedSeconds; } @@ -301,8 +300,8 @@ EM_BOOL onMouseMove(int eventType, const EmscriptenMouseEvent *mouseEvent, void return true; } - pointer.force.x = static_cast(mouseEvent->movementX) * 100000.f; - pointer.force.y = static_cast(-mouseEvent->movementY) * 100000.f; + pointer.force.x = static_cast(mouseEvent->movementX) * 1000.f; + pointer.force.y = static_cast(-mouseEvent->movementY) * 1000.f; pointer.body.position.x = static_cast(mouseEvent->targetX); pointer.body.position.y = static_cast(600.f - mouseEvent->targetY); diff --git a/2d/rigidbody/rigidbody_1/snippet3.cpp b/2d/rigidbody/rigidbody_1/snippet3.cpp index 4727a9a..d3ecc4f 100644 --- a/2d/rigidbody/rigidbody_1/snippet3.cpp +++ b/2d/rigidbody/rigidbody_1/snippet3.cpp @@ -31,7 +31,7 @@ struct Rigidbody { // to calculate the fractional amount of force that was applied in this frame. float32 impulseDtSeconds = nextTimeAppliedSeconds - i.timeAppliedSeconds; Vector2 forceToApply = i.force * (impulseDtSeconds / i.timeOfApplicationSeconds); - force += forceToApply * impulseDtSeconds; + force += forceToApply; i.timeAppliedSeconds = nextTimeAppliedSeconds; } diff --git a/2d/rigidbody/rigidbody_2/dist/output.wasm b/2d/rigidbody/rigidbody_2/dist/output.wasm index 29c319a..fb79e45 100755 Binary files a/2d/rigidbody/rigidbody_2/dist/output.wasm and b/2d/rigidbody/rigidbody_2/dist/output.wasm differ diff --git a/2d/rigidbody/rigidbody_2/main.cpp b/2d/rigidbody/rigidbody_2/main.cpp index 123cf7e..44a3c53 100644 --- a/2d/rigidbody/rigidbody_2/main.cpp +++ b/2d/rigidbody/rigidbody_2/main.cpp @@ -69,7 +69,7 @@ struct Rigidbody { float32 impulseDtSeconds = nextTimeAppliedSeconds - i.timeAppliedSeconds; Vector2 forceToApply = i.force * (impulseDtSeconds / i.timeOfApplicationSeconds); - force += forceToApply * impulseDtSeconds; + force += forceToApply; // New! Increment the torque for each force torque += i.pointOfApplication.getPerp().dot(forceToApply); diff --git a/2d/rigidbody/rigidbody_3/dist/output.wasm b/2d/rigidbody/rigidbody_3/dist/output.wasm index b89435a..0a8a974 100755 Binary files a/2d/rigidbody/rigidbody_3/dist/output.wasm and b/2d/rigidbody/rigidbody_3/dist/output.wasm differ diff --git a/2d/rigidbody/rigidbody_3/main.cpp b/2d/rigidbody/rigidbody_3/main.cpp index e34f444..2a0af24 100644 --- a/2d/rigidbody/rigidbody_3/main.cpp +++ b/2d/rigidbody/rigidbody_3/main.cpp @@ -72,7 +72,7 @@ struct Rigidbody { float32 impulseDtSeconds = nextTimeAppliedSeconds - i.timeAppliedSeconds; Vector2 forceToApply = i.force * (impulseDtSeconds / i.timeOfApplicationSeconds); - force += forceToApply * impulseDtSeconds; + force += forceToApply; torque += i.pointOfApplication.getPerp().dot(forceToApply); i.timeAppliedSeconds = nextTimeAppliedSeconds; -- cgit v1.2.1