adds possibility of reading and changing gravity x and y for a world

ericoporto · Dec 28, 2019 · 64ad7b5 · 64ad7b5
1 parent c1a6ad5
commit 64ad7b5
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diff --git a/agsbox2d/AgsWorld.cpp b/agsbox2d/AgsWorld.cpp
@@ -219,6 +219,23 @@ AgsContact* AgsWorld::GetContact(int32 i) {
  return new AgsContact(contact, ID);
 }
 
+float32 AgsWorld::GetGravityX(){
+ return Scale::ScaleUp(B2AgsWorld->GetGravity().x);
+}
+
+float32 AgsWorld::GetGravityY(){
+ return Scale::ScaleUp(B2AgsWorld->GetGravity().y);
+}
+
+void AgsWorld::SetGravityX(float32 g_x){
+ B2AgsWorld->SetGravity(b2Vec2( Scale::ScaleDown(g_x),B2AgsWorld->GetGravity().y));
+}
+
+void AgsWorld::SetGravityY(float32 g_y){
+ B2AgsWorld->SetGravity(b2Vec2( B2AgsWorld->GetGravity().x,Scale::ScaleDown(g_y)));
+
+}
+
 AgsWorld::~AgsWorld(void)
 {
 }

diff --git a/agsbox2d/AgsWorld.h b/agsbox2d/AgsWorld.h
@@ -43,6 +43,11 @@ class AgsWorld
  AgsFixtureArray* BoundingBoxQuery(float32 lx, float32 ly, float32 ux, float32 uy);
  AgsRaycastResult* RaycastQuery(float32 x0, float32 y0, float32 x1, float32 y1, RaycastType raycastType, AgsFixtureArray* agsFixtureArray);
 
+ float32 GetGravityX();
+ float32 GetGravityY();
+ void SetGravityX(float32 g_x);
+ void SetGravityY(float32 g_y);
+
  int32 GetContactCount();
  AgsContact* GetContact(int32 i);
 };

diff --git a/agsbox2d/agsbox2d.cpp b/agsbox2d/agsbox2d.cpp
@@ -353,6 +353,12 @@ const char *ourScriptHeader =
 " /// Returns a sprite with debug data. Set as GUI Background over screen for debugging your physics. \r\n"
 " import int GetDebugSprite(int camera_x = 0, int camera_y = 0); \r\n"
 " \r\n"
+" /// World Gravity X axis. \r\n"
+" import attribute float GravityX; \r\n"
+" \r\n"
+" /// World Gravity Y axis. \r\n"
+" import attribute float GravityY; \r\n"
+" \r\n"
 " /// Returns array of fixtures which their bounding boxes are overlapped by the supplied box. \r\n"
 " import FixtureArray* BoundingBoxQuery(float lower_x, float lower_y, float upper_x, float upper_y); \r\n"
 " \r\n"
@@ -1011,6 +1017,24 @@ AgsContact* AgsWorld_GetContacts(AgsWorld* self, int32 i) {
  return contact;
 }
 
+uint32_t AgsWorld_GetGravityX(AgsWorld* self) {
+ return ToAgsFloat(self->GetGravityX());
+}
+
+uint32_t AgsWorld_GetGravityY(AgsWorld* self) {
+ return ToAgsFloat(self->GetGravityY());
+}
+
+void AgsWorld_SetGravityX(AgsWorld* self, uint32_t g_x) {
+ float32 f_g_x = ToNormalFloat(g_x);
+ self->SetGravityX(f_g_x);
+}
+
+void AgsWorld_SetGravityY(AgsWorld* self, uint32_t g_y) {
+ float32 f_g_y = ToNormalFloat(g_y);
+ self->SetGravityY(f_g_y);
+}
+
 #pragma endregion // AgsWorld_ScriptAPI
 //-----------------------------------------------------------------------------
 #pragma region AgsContact_ScriptAPI
@@ -1869,6 +1893,10 @@ void AGS_EngineStartup(IAGSEngine *lpEngine)
  engine->RegisterScriptFunction("World::Raycast^6", (void*)AgsWorld_Raycast);
  engine->RegisterScriptFunction("World::get_ContactCount", (void*)AgsWorld_GetContactCount);
  engine->RegisterScriptFunction("World::geti_Contacts", (void*)AgsWorld_GetContacts);
+ engine->RegisterScriptFunction("World::set_GravityX", (void*)AgsWorld_SetGravityX);
+ engine->RegisterScriptFunction("World::get_GravityX", (void*)AgsWorld_GetGravityX);
+ engine->RegisterScriptFunction("World::set_GravityY", (void*)AgsWorld_SetGravityY);
+ engine->RegisterScriptFunction("World::get_GravityY", (void*)AgsWorld_GetGravityY);
 
  engine->RegisterScriptFunction("RaycastResult::get_Length", (void*)AgsRaycastResult_GetLength);
  engine->RegisterScriptFunction("RaycastResult::geti_PointX", (void*)AgsRaycastResult_GetPointX);