From 17909d029c6a8872b2fddf4e171d7925bbbe9c5c Mon Sep 17 00:00:00 2001
From: Paul Oliver <contact@pauloliver.dev>
Date: Thu, 29 Feb 2024 19:27:35 +0100
Subject: Initial commit

---
 Simulation/Entity.cpp | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Simulation/Entity.cpp

(limited to 'Simulation/Entity.cpp')

diff --git a/Simulation/Entity.cpp b/Simulation/Entity.cpp
new file mode 100644
index 0000000..d5ccb75
--- /dev/null
+++ b/Simulation/Entity.cpp
@@ -0,0 +1,59 @@
+#include "Entity.hpp"
+#include "SimBase.hpp"
+
+void Entity::create()
+{
+    if (!hSim || body || !radius)
+    {
+        return;
+    }
+
+    b2BodyDef bodyDef;
+    bodyDef.type = b2_dynamicBody;
+    bodyDef.position = { hSim->prms.worldRad, hSim->prms.worldRad };
+    float hypotenuse = hSim->prms.worldRad - radius;
+    while (bodyDef.position.x * bodyDef.position.x + bodyDef.position.y * bodyDef.position.y > hypotenuse * hypotenuse)
+    {
+        bodyDef.position.x = realRand(-hSim->prms.worldRad, hSim->prms.worldRad);
+        bodyDef.position.y = realRand(-hSim->prms.worldRad, hSim->prms.worldRad);
+    }
+    bodyDef.angle = realRand(0.f, 360.f / Params::RAD_DGRS);
+    bodyDef.linearDamping = 0.1f;
+    bodyDef.angularDamping = 0.1f;
+    bodyDef.allowSleep = true;
+    bodyDef.userData = this;
+
+    body = hSim->tank.world.CreateBody(&bodyDef);
+
+    b2CircleShape shape;
+    shape.m_radius = radius;
+
+    b2FixtureDef fixture;
+    fixture.shape = &shape;
+    fixture.friction = 1.f;
+    fixture.restitution = 1.f;
+    fixture.density = 1.f;
+
+    body->CreateFixture(&fixture);
+
+    if (radius == Params::PELLET_RAD)
+    {
+        ++hSim->pelletCount;
+        hSim->text.pelletCnt.setString("Pellet count: " + nts(hSim->pelletCount) + " / " + nts(hSim->prms.pelletQtty));
+    }
+    else if (radius == Params::CORPSE_RAD)
+    {
+        ++hSim->corpseCount;
+        hSim->text.corpseCnt.setString("Corpse count: " + nts(hSim->corpseCount));
+    }
+    else if (radius == Params::GUPPIE_RAD)
+    {
+        ++hSim->guppieCount;
+        hSim->text.guppieCnt.setString("Guppie count: " + nts(hSim->guppieCount));
+        ((Guppie *)this)->energy = hSim->prms.initEnergy;
+        body->SetLinearDamping(2.f);
+        body->SetAngularDamping(2.f);
+
+        ((b2CircleShape *)body->GetFixtureList()->GetShape())->m_radius = hSim->prms.EGG_RAD;
+    }
+}
-- 
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