CDTestFramework, OPCODE, ICE redistributed under the ZLib License, with permission of Pierre Terdiman

Added Bullet SAP/MultiSAP support by Erwin Coumans (BulletSAPCompleteBoxPruningTest.*) AABB tree broadphase by Nathanael Presson (btDbvt.*, DbvtTest.*)
2008-04-02 18:05:36 +00:00
parent 285163b31a
commit 1ef4c721a0
250 changed files with 58757 additions and 0 deletions
--- a/Extras/CDTestFramework/SphereMeshQuery.cpp
+++ b/Extras/CDTestFramework/SphereMeshQuery.cpp
@@ -0,0 +1,141 @@
+/*
+CDTestFramework http://codercorner.com
+Copyright (c) 2007-2008 Pierre Terdiman,  pierre@codercorner.com
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose, 
+including commercial applications, and to alter it and redistribute it freely, 
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "stdafx.h"
+#include "RenderingHelpers.h"
+#include "IceHelpers.h"
+#include "SphereMeshQuery.h"
+#include "Terrain.h"
+#include "Profiling.h"
+#include "Camera.h"
+#include "GLFontRenderer.h"
+
+SphereMeshQuery::SphereMeshQuery() :
+	mBar			(null),
+	mDist			(0.0f),
+	mValidHit		(false)
+{
+}
+
+SphereMeshQuery::~SphereMeshQuery()
+{
+}
+
+void SphereMeshQuery::Init()
+{
+	mSphere.mCenter = Point(0.0f, 0.0f, 0.0f);
+	mSphere.mRadius = 1.0f;
+}
+
+void SphereMeshQuery::Release()
+{
+	Deselect();
+}
+
+void SphereMeshQuery::Select()
+{
+	// Create a tweak bar
+	{
+		mBar = TwNewBar("SphereMeshQuery");
+		TwAddVarRW(mBar, "Radius", TW_TYPE_FLOAT, &mSphere.mRadius, " min=0.01 max=200.0 step=0.05");
+
+		mSettings.AddToTweakBar(mBar);
+//		mProfiler.AddToTweakBar(mBar);
+	}
+}
+
+void SphereMeshQuery::Deselect()
+{
+	if(mBar)
+	{
+		TwDeleteBar(mBar);
+		mBar = null;
+	}
+}
+
+void SphereMeshQuery::PerformTest()
+{
+	RenderTerrain();
+
+	DrawSphere(mSphere);
+
+	// OPCODE query
+	const Model* TM = GetTerrainModel();
+	if(TM)
+	{
+		SphereCollider Collider;
+		mSettings.SetupCollider(Collider);
+
+		mProfiler.Start();
+		bool Status = Collider.Collide(mCache, mSphere, *TM, null, null);
+		mProfiler.End();
+		mProfiler.Accum();
+
+		if(Status)
+		{
+			if(Collider.GetContactStatus())
+			{
+				udword NbTris = Collider.GetNbTouchedPrimitives();
+				const udword* Indices = Collider.GetTouchedPrimitives();
+
+				RenderTerrainTriangles(NbTris, Indices);
+			}
+		}
+	}
+
+	// Raycast hit
+	if(mValidHit)
+	{
+		Point wp = mLocalHit + mSphere.mCenter;
+		DrawLine(wp, wp + Point(1.0f, 0.0f, 0.0f), Point(1,0,0), 1.0f);
+		DrawLine(wp, wp + Point(0.0f, 1.0f, 0.0f), Point(0,1,0), 1.0f);
+		DrawLine(wp, wp + Point(0.0f, 0.0f, 1.0f), Point(0,0,1), 1.0f);
+	}
+
+	char Buffer[4096];
+	sprintf(Buffer, "Sphere-mesh query = %5.1f us (%d cycles)\n", mProfiler.mMsTime, mProfiler.mCycles);
+	GLFontRenderer::print(10.0f, 10.0f, 0.02f, Buffer);
+}
+
+void SphereMeshQuery::KeyboardCallback(unsigned char key, int x, int y)
+{
+}
+
+void SphereMeshQuery::MouseCallback(int button, int state, int x, int y)
+{
+	mValidHit = false;
+	if(!button && !state)
+	{
+		Point Dir = ComputeWorldRay(x, y);
+
+		float d;
+		Point hit;
+		if(SegmentSphere(GetCameraPos(), Dir, 10000.0f, mSphere.mCenter, mSphere.mRadius, d, hit))
+		{
+			mValidHit = true;
+			mDist = d;
+			mLocalHit = hit - mSphere.mCenter;
+		}
+	}
+}
+
+void SphereMeshQuery::MotionCallback(int x, int y)
+{
+	if(mValidHit)
+	{
+		Point Dir = ComputeWorldRay(x, y);
+		mSphere.mCenter = GetCameraPos() + Dir*mDist - mLocalHit;
+	}
+}