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/*
* 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);
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