summaryrefslogtreecommitdiffstatshomepage
path: root/3rdparty/bgfx/examples/29-debugdraw/debugdraw.cpp
diff options
context:
space:
mode:
Diffstat (limited to '3rdparty/bgfx/examples/29-debugdraw/debugdraw.cpp')
-rw-r--r--3rdparty/bgfx/examples/29-debugdraw/debugdraw.cpp200
1 files changed, 200 insertions, 0 deletions
diff --git a/3rdparty/bgfx/examples/29-debugdraw/debugdraw.cpp b/3rdparty/bgfx/examples/29-debugdraw/debugdraw.cpp
new file mode 100644
index 00000000000..4d467b95e61
--- /dev/null
+++ b/3rdparty/bgfx/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);