290 lines
6.3 KiB
C++
290 lines
6.3 KiB
C++
/*
|
|
* Copyright 2011-2017 Branimir Karadzic. All rights reserved.
|
|
* License: https://github.com/bkaradzic/bgfx#license-bsd-2-clause
|
|
*/
|
|
|
|
#include "common.h"
|
|
#include "bgfx_utils.h"
|
|
#include <entry/cmd.h>
|
|
#include <entry/input.h>
|
|
#include <debugdraw/debugdraw.h>
|
|
#include "camera.h"
|
|
|
|
#include <bx/uint32_t.h>
|
|
|
|
void imageCheckerboard(void* _dst, uint32_t _width, uint32_t _height, uint32_t _step, uint32_t _0, uint32_t _1)
|
|
{
|
|
uint32_t* dst = (uint32_t*)_dst;
|
|
for (uint32_t yy = 0; yy < _height; ++yy)
|
|
{
|
|
for (uint32_t xx = 0; xx < _width; ++xx)
|
|
{
|
|
uint32_t abgr = ( (xx/_step)&1) ^ ( (yy/_step)&1) ? _1 : _0;
|
|
*dst++ = abgr;
|
|
}
|
|
}
|
|
}
|
|
|
|
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();
|
|
|
|
uint8_t data[32*32*4];
|
|
imageCheckerboard(data, 32, 32, 4, 0xff808080, 0xffc0c0c0);
|
|
|
|
m_sprite = ddCreateSprite(32, 32, data);
|
|
}
|
|
|
|
virtual int shutdown() BX_OVERRIDE
|
|
{
|
|
ddDestroy(m_sprite);
|
|
|
|
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) )
|
|
{
|
|
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];
|
|
|
|
// Set view and projection matrix for view 0.
|
|
const bgfx::HMD* hmd = bgfx::getHMD();
|
|
if (NULL != hmd && 0 != (hmd->flags & BGFX_HMD_RENDERING) )
|
|
{
|
|
float eye[3];
|
|
cameraGetPosition(eye);
|
|
bx::mtxQuatTranslationHMD(view, hmd->eye[0].rotation, eye);
|
|
bgfx::setViewTransform(0, view, hmd->eye[0].projection, BGFX_VIEW_STEREO, hmd->eye[1].projection);
|
|
bgfx::setViewRect(0, 0, 0, hmd->width, hmd->height);
|
|
}
|
|
else
|
|
{
|
|
bx::mtxProj(proj, 60.0f, float(m_width)/float(m_height), 0.1f, 100.0f, bgfx::getCaps()->homogeneousDepth);
|
|
|
|
bgfx::setViewTransform(0, view, proj);
|
|
bgfx::setViewRect(0, 0, 0, uint16_t(m_width), uint16_t(m_height) );
|
|
}
|
|
|
|
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, bgfx::getCaps()->homogeneousDepth);
|
|
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(0xc0ffc0ff);
|
|
sphere.m_center[0] = -2.0f;
|
|
ddSetLod(2);
|
|
ddDraw(sphere);
|
|
|
|
ddSetColor(0xa0f0ffff);
|
|
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();
|
|
{
|
|
float normal[3] = { 0.0f, 0.0f, 1.0f };
|
|
float center[3] = { -8.0f, 0.0f, 0.0f };
|
|
ddPush();
|
|
ddSetStipple(true, 1.0f, time*0.1f);
|
|
ddSetColor(0xff0000ff);
|
|
ddDrawCircle(normal, center, 1.0f, 0.5f + bx::fsin(time*10.0f) );
|
|
ddPop();
|
|
|
|
ddSetSpin(time);
|
|
ddDrawQuad(m_sprite, normal, center, 2.0f);
|
|
}
|
|
ddPop();
|
|
|
|
ddPush();
|
|
ddSetStipple(true, 1.0f, -time*0.1f);
|
|
ddDrawCircle(Axis::Z, -8.0f, 0.0f, 0.0f, 1.25f, 2.0f);
|
|
ddPop();
|
|
|
|
ddPush();
|
|
ddSetLod(UINT8_MAX);
|
|
|
|
ddPush();
|
|
ddSetSpin(time*0.3f);
|
|
{
|
|
float from[3] = { -11.0f, 4.0f, 0.0f };
|
|
float to[3] = { -13.0f, 6.0f, 1.0f };
|
|
ddDrawCone(from, to, 1.0f );
|
|
}
|
|
|
|
{
|
|
float from[3] = { -9.0f, 2.0f, -1.0f };
|
|
float to[3] = { -11.0f, 4.0f, 0.0f };
|
|
ddDrawCylinder(from, to, 0.5f );
|
|
}
|
|
ddPop();
|
|
|
|
{
|
|
float from[3] = { 0.0f, 7.0f, 0.0f };
|
|
float to[3] = { -6.0f, 7.0f, 0.0f };
|
|
ddDrawCylinder(from, to, 0.5f, true);
|
|
}
|
|
ddPop();
|
|
|
|
ddPush();
|
|
|
|
float mtx[16];
|
|
bx::mtxSRT(mtx
|
|
, 1.0f, 1.0f, 1.0f
|
|
, 0.0f, time, time*0.53f
|
|
, -10.0f, 1.0f, 10.0f
|
|
);
|
|
|
|
Cylinder cylinder =
|
|
{
|
|
{ -10.0f, 1.0f, 10.0f },
|
|
{ 0.0f, 0.0f, 0.0f },
|
|
1.0f
|
|
};
|
|
|
|
float up[3] = { 0.0f, 4.0f, 0.0f };
|
|
bx::vec3MulMtx(cylinder.m_end, up, mtx);
|
|
ddDraw(cylinder);
|
|
|
|
toAabb(aabb, cylinder);
|
|
ddSetColor(0xff0000ff);
|
|
ddDraw(aabb);
|
|
|
|
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;
|
|
SpriteHandle m_sprite;
|
|
|
|
int64_t m_timeOffset;
|
|
|
|
uint32_t m_width;
|
|
uint32_t m_height;
|
|
uint32_t m_debug;
|
|
uint32_t m_reset;
|
|
};
|
|
|
|
ENTRY_IMPLEMENT_MAIN(DebugDrawApp);
|