Added example-29-debugdraw.

examples/29-debugdraw/debugdraw.cpp

@@ -0,0 +1,200 @@
+/*
+ * Copyright 2011-2015 Branimir Karadzic. All rights reserved.
+ * License: http://www.opensource.org/licenses/BSD-2-Clause
+ */
+
+#include "common.h"
+#include "bgfx_utils.h"
+#include <entry/cmd.h>
+#include <entry/input.h>
+#include "camera.h"
+
+#include <bx/uint32_t.h>
+
+#include "../common/debugdraw/debugdraw.h"
+
+class DebugDrawApp : public entry::AppI
+{
+	void init(int _argc, char** _argv) BX_OVERRIDE
+	{
+		Args args(_argc, _argv);
+
+		m_width  = 1280;
+		m_height = 720;
+		m_debug  = BGFX_DEBUG_TEXT;
+		m_reset  = BGFX_RESET_VSYNC | BGFX_RESET_MSAA_X16;
+
+		bgfx::init(args.m_type, args.m_pciId);
+		bgfx::reset(m_width, m_height, m_reset);
+
+		// Enable m_debug text.
+		bgfx::setDebug(m_debug);
+
+		// Set view 0 clear state.
+		bgfx::setViewClear(0
+				, BGFX_CLEAR_COLOR|BGFX_CLEAR_DEPTH
+				, 0x303030ff
+				, 1.0f
+				, 0
+				);
+
+		m_timeOffset = bx::getHPCounter();
+
+		cameraCreate();
+
+		const float initialPos[3] = { 0.0f, 2.0f, -12.0f };
+		cameraSetPosition(initialPos);
+		cameraSetVerticalAngle(0.0f);
+
+		ddInit();
+	}
+
+	virtual int shutdown() BX_OVERRIDE
+	{
+		ddShutdown();
+
+		cameraDestroy();
+
+		// Shutdown bgfx.
+		bgfx::shutdown();
+
+		return 0;
+	}
+
+	bool update() BX_OVERRIDE
+	{
+		if (!entry::processEvents(m_width, m_height, m_debug, m_reset, &m_mouseState) )
+		{
+			// Set view 0 default viewport.
+			bgfx::setViewRect(0, 0, 0, m_width, m_height);
+
+			int64_t now = bx::getHPCounter() - m_timeOffset;
+			static int64_t last = now;
+			const int64_t frameTime = now - last;
+			last = now;
+			const double freq = double(bx::getHPFrequency() );
+			const double toMs = 1000.0/freq;
+			const float deltaTime = float(frameTime/freq);
+
+			// Use debug font to print information about this example.
+			bgfx::dbgTextClear();
+			bgfx::dbgTextPrintf(0, 1, 0x4f, "bgfx/examples/29-debugdraw");
+			bgfx::dbgTextPrintf(0, 2, 0x6f, "Description: Debug draw.");
+			bgfx::dbgTextPrintf(0, 3, 0x0f, "Frame: % 7.3f[ms]", double(frameTime)*toMs);
+
+			// Update camera.
+			cameraUpdate(deltaTime, m_mouseState);
+
+			float view[16];
+			cameraGetViewMtx(view);
+
+			float proj[16];
+			bx::mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f);
+
+			bgfx::setViewTransform(0, view, proj);
+
+			float zero[3] = {};
+
+			float mvp[16];
+			float eye[] = { 5.0f, 10.0f, 5.0f };
+			bx::mtxLookAt(view, eye, zero);
+			bx::mtxProj(proj, 45.0f, float(m_width)/float(m_height), 1.0f, 15.0f);
+			bx::mtxMul(mvp, view, proj);
+
+			ddBegin(0);
+			ddDrawAxis(0.0f, 0.0f, 0.0f);
+
+			ddPush();
+				ddSetColor(0xff00ff00);
+
+				Aabb aabb =
+				{
+					{  5.0f, 1.0f, 1.0f },
+					{ 10.0f, 5.0f, 5.0f },
+				};
+				ddDraw(aabb);
+			ddPop();
+
+			float time = float(now/freq);
+
+			Obb obb;
+			bx::mtxRotateX(obb.m_mtx, time);
+			ddSetWireframe(true);
+			ddDraw(obb);
+
+			ddSetColor(0xffffffff);
+			bx::mtxSRT(obb.m_mtx, 1.0f, 1.0f, 1.0f, 0.0f, time, 0.0f, 3.0f, 0.0f, 0.0f);
+			ddSetWireframe(false);
+			ddDraw(obb);
+
+			ddSetTranslate(0.0f, -2.0f, 0.0f);
+			ddDrawGrid(Axis::Y, zero, 20, 1.0f);
+			ddSetTransform(NULL);
+
+			ddDrawFrustum(mvp);
+
+			ddPush();
+				Sphere sphere = { { 0.0f, 5.0f, 0.0f }, 1.0f };
+				ddSetColor(0xfff0c0ff);
+				ddSetWireframe(true);
+				ddSetLod(3);
+				ddDraw(sphere);
+				ddSetWireframe(false);
+
+				ddSetColor(0xf0ffc0ff);
+				sphere.m_center[0] = -2.0f;
+				ddSetLod(2);
+				ddDraw(sphere);
+
+				ddSetColor(0xc0f0ffff);
+				sphere.m_center[0] = -4.0f;
+				ddSetLod(1);
+				ddDraw(sphere);
+
+				ddSetColor(0xffc0ff00);
+				sphere.m_center[0] = -6.0f;
+				ddSetLod(0);
+				ddDraw(sphere);
+			ddPop();
+
+			ddSetColor(0xffffffff);
+
+			ddPush();
+				ddSetStipple(true, 1.0f, time*0.1f);
+				ddSetColor(0xff0000ff);
+				{
+					float normal[3] = {  0.0f, 0.0f, 1.0f };
+					float center[3] = { -8.0f, 0.0f, 0.0f };
+					ddDrawCircle(normal, center, 1.0f, 0.5f + bx::fsin(time*10.0f) );
+				}
+			ddPop();
+
+			ddPush();
+				ddSetStipple(true, 1.0f, -time*0.1f);
+				ddDrawCircle(Axis::Z, -8.0f, 0.0f, 0.0f, 1.25f, 2.0f);
+			ddPop();
+
+			ddDrawOrb(-11.0f, 0.0f, 0.0f, 1.0f);
+			ddEnd();
+
+			// Advance to next frame. Rendering thread will be kicked to
+			// process submitted rendering primitives.
+			bgfx::frame();
+
+			return true;
+		}
+
+		return false;
+	}
+
+	entry::MouseState m_mouseState;
+
+	int64_t m_timeOffset;
+
+	uint32_t m_width;
+	uint32_t m_height;
+	uint32_t m_debug;
+	uint32_t m_reset;
+};
+
+ENTRY_IMPLEMENT_MAIN(DebugDrawApp);

scripts/genie.lua

@@ -422,6 +422,7 @@ exampleProject("24-nbody")
 exampleProject("26-occlusion")
 exampleProject("27-terrain")
 exampleProject("28-wireframe")
+exampleProject("29-debugdraw")
 
 -- C99 source doesn't compile under WinRT settings
 if not premake.vstudio.iswinrt() then