The Modular Game Engine
Build games with hot-compiled scripts, real-time physics, and a fully integrated editor. Native C++, open architecture.
Write Code Your Way
Pick the language that fits. All options compile to native performance.
PlayerController.moducpp
ModuCPP
| 1 | #include "ModuCPP" |
| 2 | |
| 3 | public class PlayerController : ModuBehaviour |
| 4 | { |
| 5 | public float moveSpeed = 5.0f; |
| 6 | public float jumpForce = 8.0f; |
| 7 | private bool grounded = false; |
| 8 | |
| 9 | void Begin(MODU_obj) |
| 10 | { |
| 11 | ctx.EnsureCapsuleCollider(); |
| 12 | ctx.EnsureRigidbody(); |
| 13 | } |
| 14 | |
| 15 | void TickUpdate(MODU_obj, float dt) |
| 16 | { |
| 17 | if (!lobj || dt <= 0.0f) return; |
| 18 | |
| 19 | ctx.ApplyMouseLook(0.2f, dt); |
| 20 | ctx.ApplyVelocity(moveSpeed, dt); |
| 21 | |
| 22 | if (grounded && ctx.IsKeyPressed("Space")) { |
| 23 | ctx.AddRigidbodyImpulse(0, jumpForce, 0); |
| 24 | } |
| 25 | } |
| 26 | } |
RotateObject.cpp
C++
| 1 | #include "ScriptRuntime.h" |
| 2 | |
| 3 | static float rotationSpeed = 45.0f; |
| 4 | |
| 5 | void TickUpdate(ScriptContext& ctx, float dt) { |
| 6 | if (!ctx.object) return; |
| 7 | |
| 8 | glm::vec3 rot = ctx.object->rotation; |
| 9 | rot.y += rotationSpeed * dt; |
| 10 | ctx.SetRotation(rot); |
| 11 | } |
| 12 | |
| 13 | extern "C" void Script_OnInspector(ScriptContext& ctx) { |
| 14 | ctx.AutoSetting("rotationSpeed", rotationSpeed); |
| 15 | ImGui::SliderFloat("Speed", &rotationSpeed, 0.0f, 360.0f); |
| 16 | ctx.SaveAutoSettings(); |
| 17 | } |
FollowPlayer.cs
C#
| 1 | using ModuCPP; |
| 2 | |
| 3 | public class FollowPlayer |
| 4 | { |
| 5 | [DragSpeed(0.1f)] |
| 6 | public float smoothTime = 0.3f; |
| 7 | |
| 8 | public void TickUpdate(IntPtr ctxPtr, float dt) |
| 9 | { |
| 10 | var ctx = new Context(ctxPtr); |
| 11 | |
| 12 | var player = ctx.FindObjectByName("Player"); |
| 13 | if (player == 0) return; |
| 14 | |
| 15 | var targetPos = ctx.GetPosition(player); |
| 16 | var currentPos = ctx.GetPosition(); |
| 17 | |
| 18 | var newPos = Vec2.Lerp(currentPos, targetPos, dt / smoothTime); |
| 19 | ctx.SetPosition(newPos.x, newPos.y, currentPos.z); |
| 20 | } |
| 21 | } |
simple_mover.c
C
| 1 | #include "ScriptRuntimeCAPI.h" |
| 2 | |
| 3 | static float speed = 3.0f; |
| 4 | |
| 5 | void Modu_TickUpdate(void* ctx, float dt) { |
| 6 | float x, y, z; |
| 7 | Modu_GetPosition(ctx, &x, &y, &z); |
| 8 | |
| 9 | if (Modu_IsKeyHeld(ctx, "W")) z -= speed * dt; |
| 10 | if (Modu_IsKeyHeld(ctx, "S")) z += speed * dt; |
| 11 | if (Modu_IsKeyHeld(ctx, "A")) x -= speed * dt; |
| 12 | if (Modu_IsKeyHeld(ctx, "D")) x += speed * dt; |
| 13 | |
| 14 | Modu_SetPosition(ctx, x, y, z); |
| 15 | } |