ccdemos/spheres_shadow.cc
author Radek Brich <radek.brich@devl.cz>
Mon, 28 Apr 2008 11:44:11 +0200
branchpyrit
changeset 88 f7edb3b90816
parent 81 9dbb9c8c115b
child 91 9d66d323c354
permissions -rw-r--r--
merge pixmap handling from sampler, material.h and ccdemos's image module to new Pixmap class add check for PNG library, allow writing PNG file from a Pixmap simplify demos using new methods from Sampler and Pixmap
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#include "raytracer.h"
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#include "octree.h"
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#include "common_sdl.h"
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Camera cam;
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Light light(Vector3(-2.0, 10.0, -2.0), Colour(0.9, 0.9, 0.9));
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Float lx, ly, lz, cf;
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void update_callback(Float*)
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{
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	if (lx != 0.0)
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		light.pos.x += lx;
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	if (ly != 0.0)
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		light.pos.y += ly;
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	if (lz != 0.0)
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		light.pos.z += lz;
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	if (cf != 0.0)
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		cam.F += cf;
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}
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void key_callback(int key, int down)
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{
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	switch (key)
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	{
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		case SDLK_r:
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			lx = -0.1 * down;
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			break;
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		case SDLK_t:
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			lx = +0.1 * down;
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			break;
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		case SDLK_f:
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			ly = -0.1 * down;
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			break;
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		case SDLK_g:
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			ly = +0.1 * down;
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			break;
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		case SDLK_v:
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			lz = -0.1 * down;
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			break;
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		case SDLK_b:
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			lz = +0.1 * down;
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			break;
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		case SDLK_z:
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			cf = -0.02 * down;
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			break;
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		case SDLK_x:
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			cf = +0.02 * down;
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			break;
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	}
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}
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int main(int argc, char **argv)
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{
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	Raytracer rt;
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	Octree top;
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	rt.setTop(&top);
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	rt.addLight(&light);
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	//Light light2;
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	//light2.colour = Colour(0.7, 0.3, 0.6);
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	//rt.addLight(&light2);
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	Material mat0a(Colour(0.7, 0.7, 0.7));
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	mat0a. setReflectivity(0.0);
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	Box box(Vector3(-10.0, -1.2, -20.0), Vector3(10.0, -1.0, 0.0), &mat0a);
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	rt.addShape(&box);
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	Material mat0b(Colour(0.1, 0.7, 0.8));
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	mat0b.setReflectivity(0.7);
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	Box box2(Vector3(-10.0, -1.2, -20.0), Vector3(10.0, 10.0, -20.2), &mat0b);
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	rt.addShape(&box2);
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	Material mat1(Colour(1.0, 0.0, 0.0));
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	Sphere bigsphere(Vector3(3.0, 2.0, -7.0), 3.0, &mat1);
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	rt.addShape(&bigsphere);
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	Material mat2(Colour(0.0, 1.0, 0.0));
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	Sphere smallsphere(Vector3(-5.5, 1.5, -8.0), 2.0, &mat2);
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	rt.addShape(&smallsphere);
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	Material mat3(Colour(0.0, 0.0, 1.0));
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	mat3.setReflectivity(0.1);
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	mat3.setTransmissivity(0.8, 1.5);
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	Sphere tinysphere(Vector3(-1.2, 0.0, -2.0), 0.7, &mat3);
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	rt.addShape(&tinysphere);
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	top.optimize();
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	cam.setEye(Vector3(-2.28908, 4.30992, 12.3051));
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	cam.p = Vector3(0.0988566, -0.139543, -0.985269);
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	cam.u = Vector3(-0.995004, 0, -0.0998334);
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	cam.v = Vector3(0.0139311, 0.990216, -0.138846);
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	rt.setCamera(&cam);
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	w = 800;
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	h = 600;
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	/* run interactive mode */
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	loop_sdl(rt, cam, update_callback, key_callback);
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	/* render image */
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	if (argc == 2 && !strcmp(argv[1], "-r"))
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	{
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		pyrit_verbosity = 2;
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		DefaultSampler sampler(w, h);
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		sampler.setOversample(2);
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		rt.setSampler(&sampler);
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		rt.render();
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		sampler.getPixmap().writePNG("spheres_shadow.png");
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	}
a0a3e334744f C++ demos: prepare infrastructure, add spheres_shadow.cc
Radek Brich <radek.brich@devl.cz>
parents:
diff changeset
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}