:facepalm: - прикольно сделали))):-D

8) :cool:

/************************************************** *****************
* *
* Xors3D Engine. Bloom sample, (c) 2010 XorsTeam *
* www: http://xors3d.com *
* e-mail: [email protected] *
* *
************************************************** *****************/
#pragma comment(lib,"Xors3d.lib")
// include Xors3d Engine header
#include <xors3d.h>
#include <iostream>
#include <math.h>

// for camera mouse look
float CurveValue(float newvalue, float oldvalue, float increments)
{
if(increments > 1.0f) oldvalue = oldvalue - (oldvalue - newvalue) / increments;
if(increments <= 1.0f) oldvalue = newvalue;
return oldvalue;
}

// Function for sky box creating
int CreateSkyBox(const char * skyPath);

// program entry point
int APIENTRY WinMain(HINSTANCE instance, HINSTANCE prevInstance, LPSTR commandLine, int commandShow)
{
// set graphics mode
xGraphics3D(800, 600, 32, false, true);
xAppTitle("Bloom sample");

// create camera
int camera = xCreateCamera();
xCameraRange(camera, 0.9, 3000);
xPositionEntity(camera, 10, 0, -20);
xRotateEntity(camera, -10, 20, 0);

// create scene
int cube = xLoadMesh("media/meshes/teapot.b3d");
xPositionEntity(cube, 0, 0, 5);
xScaleMesh(cube, 0.3, 0.3, 0.3);
int texture1 = xLoadTexture("media/textures/tex_bloom.jpg");
xEntityTexture(cube, texture1);

// create light
int light = xCreateLight();

// create posteffect poly
int poly = xCreatePostEffectPoly(camera, 1);

// create posteffect textures
int texture = xCreateTexture(256, 256);
int texture2 = xCreateTexture(800, 600);

// load posteffect shader
int shader = xLoadFXFile("media/shaders/Bloom.fx");

xSetEntityEffect(poly, shader);
xSetEffectTechnique(poly, "Diffuse");
xSetEffectMatrixSemantic(poly, "MatWorldViewProj", WORLDVIEWPROJ);
xSetEffectTexture(poly, "tDiffuse", texture);
xSetEffectTexture(poly, "tEmissive", texture2);

// create skybox
int sky = CreateSkyBox("media/textures/skybox/");
xScaleEntity(sky, 1000, 500, 1000);
xPositionEntity(sky, 0, 200, 0);

// create cube
int cube2 = xCreateCube();
xPositionEntity(cube2, 0, 0, 30);
xScaleEntity(cube2, 5, 5, 5);

// params
bool enable = true;

// for mouse look
xMoveMouse(xGraphicsWidth() / 2, xGraphicsHeight() / 2);
float mousespeed = 0.5;
float camerasmoothness = 4.5;
float mxs = 0.0f;
float mys = 0.0f;
float camxa = 0.0f;
float camya = 0.0f;

// main program loop
while(!xKeyDown(KEY_ESCAPE))
{
// camera control
if(xKeyDown(KEY_W)) xMoveEntity(camera, 0, 0, 1);
if(xKeyDown(KEY_S)) xMoveEntity(camera, 0, 0, -1);
if(xKeyDown(KEY_A)) xMoveEntity(camera, -1, 0, 0);
if(xKeyDown(KEY_D)) xMoveEntity(camera, 1, 0, 0);
mxs = CurveValue(xMouseXSpeed() * mousespeed, mxs, camerasmoothness);
mys = CurveValue(xMouseYSpeed() * mousespeed, mys, camerasmoothness);
camxa = fmodf(camxa - mxs, 360.0f);
camya = camya + mys;
if(camya < -89.0f) camya = -89.0f;
if(camya > 89.0f) camya = 89.0f;
xMoveMouse(xGraphicsWidth() / 2, xGraphicsHeight() / 2);
xRotateEntity(camera, camya, camxa, 0.0);

// turn teapot
xTurnEntity(cube, 0, 1, 0);

// switch bloom
if(xKeyHit(KEY_SPACE)) enable = !enable;

// render scene
xRenderWorld();

// bloom
if(enable == true)
{
xStretchBackBuffer(texture, 0, 0, 256, 256, 0);
xStretchBackBuffer(texture2, 0, 0, 800, 600, 0);
xSetEffectTechnique(poly, "Diffuse");
xRenderPostEffect(poly);
xStretchBackBuffer(texture, 0, 0, 256, 256, 0);
xSetEffectTechnique(poly, "DiffuseH");
xRenderPostEffect(poly);
xStretchBackBuffer(texture, 0, 0, 256, 256, 0);
xSetEffectTechnique(poly, "DiffuseV");
xRenderPostEffect(poly);
}

// draw texts
char buffer[128];
sprintf(buffer, "FPS: %i", xGetFPS());
xText(40, 30, buffer);
xText(40, 50, "Space - enable\\disable bloom");

// draw scene
xFlip();
}
return 0;
}

int CreateSkyBox(const char * skyPath)
{
int skybox = xCreateMesh();
// Left
char texturePath[256];
sprintf(texturePath, "%sleft.jpg", skyPath);
int texture = xLoadTexture(texturePath, 49);
int brush = xCreateBrush();
xBrushTexture(brush, texture);
int surface = xCreateSurface(skybox, brush);
int v0 = xAddVertex(surface, -1.0, 1.0, -1.0, 0.0, 0.0);
int v1 = xAddVertex(surface, -1.0, 1.0, 1.0, 1.0, 0.0);
int v2 = xAddVertex(surface, -1.0, -1.0, -1.0, 0.0, 1.0);
int v3 = xAddVertex(surface, -1.0, -1.0, 1.0, 1.0, 1.0);
xAddTriangle(surface, v2, v1, v0);
xAddTriangle(surface, v1, v2, v3);
// Front
sprintf(texturePath, "%sfront.jpg", skyPath);
texture = xLoadTexture(texturePath, 49);
brush = xCreateBrush();
xBrushTexture(brush, texture);
surface = xCreateSurface(skybox, brush);
v0 = xAddVertex(surface, -1.0, 1.0, 1.0, 0.0, 0.0);
v1 = xAddVertex(surface, 1.0, 1.0, 1.0, 1.0, 0.0);
v2 = xAddVertex(surface, -1.0, -1.0, 1.0, 0.0, 1.0);
v3 = xAddVertex(surface, 1.0, -1.0, 1.0, 1.0, 1.0);
xAddTriangle(surface, v2, v1, v0);
xAddTriangle(surface, v1, v2, v3);
// Right
sprintf(texturePath, "%sright.jpg", skyPath);
texture = xLoadTexture(texturePath, 49);
brush = xCreateBrush();
xBrushTexture(brush, texture);
surface = xCreateSurface(skybox, brush);
v0 = xAddVertex(surface, 1.0, 1.0, 1.0, 0.0, 0.0);
v1 = xAddVertex(surface, 1.0, 1.0, -1.0, 1.0, 0.0);
v2 = xAddVertex(surface, 1.0, -1.0, 1.0, 0.0, 1.0);
v3 = xAddVertex(surface, 1.0, -1.0, -1.0, 1.0, 1.0);
xAddTriangle(surface, v2, v1, v0);
xAddTriangle(surface, v1, v2, v3);
// Back
sprintf(texturePath, "%sback.jpg", skyPath);
texture = xLoadTexture(texturePath, 49);
brush = xCreateBrush();
xBrushTexture(brush, texture);
surface = xCreateSurface(skybox, brush);
v0 = xAddVertex(surface, 1.0, 1.0, -1.0, 0.0, 0.0);
v1 = xAddVertex(surface, -1.0, 1.0, -1.0, 1.0, 0.0);
v2 = xAddVertex(surface, 1.0, -1.0, -1.0, 0.0, 1.0);
v3 = xAddVertex(surface, -1.0, -1.0, -1.0, 1.0, 1.0);
xAddTriangle(surface, v2, v1, v0);
xAddTriangle(surface, v1, v2, v3);
// Top
sprintf(texturePath, "%stop.jpg", skyPath);
texture = xLoadTexture(texturePath, 49);
brush = xCreateBrush();
xBrushTexture(brush, texture);
surface = xCreateSurface(skybox, brush);
v0 = xAddVertex(surface, -1.0, 1.0, 1.0, 0.0, 0.0);
v1 = xAddVertex(surface, -1.0, 1.0, -1.0, 1.0, 0.0);
v2 = xAddVertex(surface, 1.0, 1.0, 1.0, 0.0, 1.0);
v3 = xAddVertex(surface, 1.0, 1.0, -1.0, 1.0, 1.0);
xAddTriangle(surface, v2, v1, v0);
xAddTriangle(surface, v1, v2, v3);
// set FX flags
xEntityFX(skybox, 1);
xFlipMesh(skybox);
xUpdateNormals(skybox);
// return skybox handle
return skybox;
}