mirror of
https://github.com/bulletphysics/bullet3
synced 2024-12-13 13:20:07 +00:00
241 lines
7.0 KiB
C++
241 lines
7.0 KiB
C++
#include "OpenGLWindow/SimpleOpenGL3App.h"
|
|
#include "Bullet3Common/b3Quaternion.h"
|
|
#include "Bullet3Common/b3CommandLineArgs.h"
|
|
#include "Bullet3Common/b3Transform.h"
|
|
#include "Utils/b3BulletDefaultFileIO.h"
|
|
#include "assert.h"
|
|
#include <stdio.h>
|
|
|
|
char* gVideoFileName = 0;
|
|
char* gPngFileName = 0;
|
|
|
|
static b3WheelCallback sOldWheelCB = 0;
|
|
static b3ResizeCallback sOldResizeCB = 0;
|
|
static b3MouseMoveCallback sOldMouseMoveCB = 0;
|
|
static b3MouseButtonCallback sOldMouseButtonCB = 0;
|
|
static b3KeyboardCallback sOldKeyboardCB = 0;
|
|
//static b3RenderCallback sOldRenderCB = 0;
|
|
|
|
float gWidth = 0;
|
|
float gHeight = 0;
|
|
|
|
void MyWheelCallback(float deltax, float deltay)
|
|
{
|
|
if (sOldWheelCB)
|
|
sOldWheelCB(deltax, deltay);
|
|
}
|
|
void MyResizeCallback(float width, float height)
|
|
{
|
|
gWidth = width;
|
|
gHeight = height;
|
|
|
|
if (sOldResizeCB)
|
|
sOldResizeCB(width, height);
|
|
}
|
|
void MyMouseMoveCallback(float x, float y)
|
|
{
|
|
printf("Mouse Move: %f, %f\n", x, y);
|
|
|
|
if (sOldMouseMoveCB)
|
|
sOldMouseMoveCB(x, y);
|
|
}
|
|
void MyMouseButtonCallback(int button, int state, float x, float y)
|
|
{
|
|
if (sOldMouseButtonCB)
|
|
sOldMouseButtonCB(button, state, x, y);
|
|
}
|
|
|
|
void MyKeyboardCallback(int keycode, int state)
|
|
{
|
|
//keycodes are in examples/CommonInterfaces/CommonWindowInterface.h
|
|
//for example B3G_ESCAPE for escape key
|
|
//state == 1 for pressed, state == 0 for released.
|
|
// use app->m_window->isModifiedPressed(...) to check for shift, escape and alt keys
|
|
printf("MyKeyboardCallback received key:%c in state %d\n", keycode, state);
|
|
if (sOldKeyboardCB)
|
|
sOldKeyboardCB(keycode, state);
|
|
}
|
|
#include "TinyRenderer.h"
|
|
#include "our_gl.h"
|
|
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
b3CommandLineArgs myArgs(argc, argv);
|
|
|
|
SimpleOpenGL3App* app = new SimpleOpenGL3App("SimpleOpenGL3App", 640, 480, true);
|
|
|
|
app->m_instancingRenderer->getActiveCamera()->setCameraDistance(13);
|
|
app->m_instancingRenderer->getActiveCamera()->setCameraPitch(0);
|
|
app->m_instancingRenderer->getActiveCamera()->setCameraTargetPosition(0, 0, 0);
|
|
sOldKeyboardCB = app->m_window->getKeyboardCallback();
|
|
app->m_window->setKeyboardCallback(MyKeyboardCallback);
|
|
sOldMouseMoveCB = app->m_window->getMouseMoveCallback();
|
|
app->m_window->setMouseMoveCallback(MyMouseMoveCallback);
|
|
sOldMouseButtonCB = app->m_window->getMouseButtonCallback();
|
|
app->m_window->setMouseButtonCallback(MyMouseButtonCallback);
|
|
sOldWheelCB = app->m_window->getWheelCallback();
|
|
app->m_window->setWheelCallback(MyWheelCallback);
|
|
sOldResizeCB = app->m_window->getResizeCallback();
|
|
app->m_window->setResizeCallback(MyResizeCallback);
|
|
|
|
int textureWidth = gWidth;
|
|
int textureHeight = gHeight;
|
|
TGAImage rgbColorBuffer(gWidth, gHeight, TGAImage::RGB);
|
|
b3AlignedObjectArray<float> depthBuffer;
|
|
depthBuffer.resize(gWidth * gHeight);
|
|
|
|
TinyRenderObjectData renderData(rgbColorBuffer, depthBuffer); //, "african_head/african_head.obj");//floor.obj");
|
|
|
|
b3BulletDefaultFileIO fileIO;
|
|
//renderData.loadModel("african_head/african_head.obj", &fileIO);
|
|
|
|
renderData.loadModel("floor.obj",&fileIO);
|
|
|
|
//renderData.createCube(1,1,1);
|
|
|
|
myArgs.GetCmdLineArgument("mp4_file", gVideoFileName);
|
|
if (gVideoFileName)
|
|
app->dumpFramesToVideo(gVideoFileName);
|
|
|
|
myArgs.GetCmdLineArgument("png_file", gPngFileName);
|
|
char fileName[1024];
|
|
|
|
unsigned char* image = new unsigned char[textureWidth * textureHeight * 4];
|
|
|
|
int textureHandle = app->m_renderer->registerTexture(image, textureWidth, textureHeight);
|
|
|
|
int cubeIndex = app->registerCubeShape(1, 1, 1);
|
|
|
|
b3Vector3 pos = b3MakeVector3(0, 0, 0);
|
|
b3Quaternion orn(0, 0, 0, 1);
|
|
float color[4] = {1,1,1,1};
|
|
|
|
b3Vector3 scaling = b3MakeVector3(1, 1, 1);
|
|
app->m_renderer->registerGraphicsInstance(cubeIndex, pos, orn, color, scaling);
|
|
app->m_renderer->writeTransforms();
|
|
|
|
do
|
|
{
|
|
static int frameCount = 0;
|
|
frameCount++;
|
|
if (gPngFileName)
|
|
{
|
|
printf("gPngFileName=%s\n", gPngFileName);
|
|
|
|
sprintf(fileName, "%s%d.png", gPngFileName, frameCount++);
|
|
app->dumpNextFrameToPng(fileName);
|
|
}
|
|
|
|
app->m_instancingRenderer->init();
|
|
app->m_instancingRenderer->updateCamera();
|
|
|
|
///clear the color and z (depth) buffer
|
|
for (int y = 0; y < textureHeight; ++y)
|
|
{
|
|
unsigned char* pi = image + (y)*textureWidth * 3;
|
|
for (int x = 0; x < textureWidth; ++x)
|
|
{
|
|
TGAColor color;
|
|
color.bgra[0] = 255;
|
|
color.bgra[1] = 255;
|
|
color.bgra[2] = 255;
|
|
color.bgra[3] = 255;
|
|
|
|
renderData.m_rgbColorBuffer.set(x, y, color);
|
|
renderData.m_depthBuffer[x + y * textureWidth] = -1e30f;
|
|
}
|
|
}
|
|
|
|
float projMat[16];
|
|
app->m_instancingRenderer->getActiveCamera()->getCameraProjectionMatrix(projMat);
|
|
float viewMat[16];
|
|
app->m_instancingRenderer->getActiveCamera()->getCameraViewMatrix(viewMat);
|
|
B3_ATTRIBUTE_ALIGNED16(float modelMat[16]);
|
|
|
|
//sync the object transform
|
|
b3Transform tr;
|
|
tr.setIdentity();
|
|
static float posUp = 0.f;
|
|
// posUp += 0.001;
|
|
b3Vector3 org = b3MakeVector3(0, 0, posUp);
|
|
tr.setOrigin(org);
|
|
tr.getOpenGLMatrix(modelMat);
|
|
|
|
TinyRender::Vec3f eye(1,1,3);
|
|
TinyRender::Vec3f center(0,0,0);
|
|
TinyRender::Vec3f up(0,1,0);
|
|
|
|
renderData.m_viewMatrix = TinyRender::lookat(eye, center, up);
|
|
renderData.m_viewportMatrix = TinyRender::viewport(gWidth/8, gHeight/8, gWidth*3/4, gHeight*3/4);
|
|
renderData.m_projectionMatrix = TinyRender::projection(-1.f/(eye-center).norm());
|
|
|
|
|
|
for (int i = 0; i < 4; i++)
|
|
{
|
|
for (int j = 0; j < 4; j++)
|
|
{
|
|
renderData.m_viewMatrix[i][j] = viewMat[i + 4 * j];
|
|
renderData.m_modelMatrix[i][j] = modelMat[i + 4 * j];
|
|
}
|
|
}
|
|
|
|
//render the object
|
|
float color2[4] = { 1,1,1,1 };
|
|
renderData.m_model->setColorRGBA(color2);
|
|
TinyRenderer::renderObject(renderData);
|
|
|
|
#if 1
|
|
//update the texels of the texture using a simple pattern, animated using frame index
|
|
for (int y = 0; y < textureHeight; ++y)
|
|
{
|
|
unsigned char* pi = image + (y)*textureWidth * 3;
|
|
for (int x = 0; x < textureWidth; ++x)
|
|
{
|
|
TGAColor color = renderData.m_rgbColorBuffer.get(x, y);
|
|
pi[0] = color.bgra[2];
|
|
pi[1] = color.bgra[1];
|
|
pi[2] = color.bgra[0];
|
|
pi[3] = 255;
|
|
pi += 3;
|
|
}
|
|
}
|
|
#else
|
|
|
|
//update the texels of the texture using a simple pattern, animated using frame index
|
|
for (int y = 0; y < textureHeight; ++y)
|
|
{
|
|
const int t = (y + frameCount) >> 4;
|
|
unsigned char* pi = image + y * textureWidth * 3;
|
|
for (int x = 0; x < textureWidth; ++x)
|
|
{
|
|
TGAColor color = renderData.m_rgbColorBuffer.get(x, y);
|
|
|
|
const int s = x >> 4;
|
|
const unsigned char b = 180;
|
|
unsigned char c = b + ((s + (t & 1)) & 1) * (255 - b);
|
|
pi[0] = pi[1] = pi[2] = pi[3] = c;
|
|
pi += 3;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
app->m_renderer->activateTexture(textureHandle);
|
|
app->m_renderer->updateTexture(textureHandle, image);
|
|
|
|
float color[4] = {1, 1, 1, 1};
|
|
app->m_primRenderer->drawTexturedRect(0, 0, gWidth / 3, gHeight / 3, color, 0, 0, 1, 1, true);
|
|
|
|
app->m_renderer->renderScene();
|
|
app->drawGrid();
|
|
char bla[1024];
|
|
sprintf(bla, "Simple test frame %d", frameCount);
|
|
float colorRGBA[4] = { 1,1,1,1 };
|
|
app->drawText(bla, 10, 10,1, colorRGBA);
|
|
app->swapBuffer();
|
|
} while (!app->m_window->requestedExit());
|
|
|
|
delete app;
|
|
return 0;
|
|
}
|