#include <stdio.h>
+#include <string.h>
#include <math.h>
#include "demo.h"
#include "3dgfx.h"
#include "screen.h"
#include "cfgopt.h"
+#include "polyfill.h"
+#include "imago2.h"
+#include "gfxutil.h"
static int init(void);
static void destroy(void);
static void start(long trans_time);
static void draw(void);
-static void draw_cube(void);
+static void draw_cube(float sz);
static struct screen scr = {
"infcubes",
draw
};
-static float cam_theta, cam_phi;
+static float cam_theta = -29, cam_phi = 35;
static float cam_dist = 5;
+static struct pimage tex_crate;
struct screen *infcubes_screen(void)
{
static int init(void)
{
+ int i, npixels;
+ unsigned char *src;
+ uint16_t *dst;
+
+ if(!(tex_crate.pixels = img_load_pixels("data/crate.jpg", &tex_crate.width,
+ &tex_crate.height, IMG_FMT_RGB24))) {
+ fprintf(stderr, "infcubes: failed to load crate texture\n");
+ return -1;
+ }
+
+ npixels = tex_crate.width * tex_crate.height;
+ src = (unsigned char*)tex_crate.pixels;
+ dst = tex_crate.pixels;
+ for(i=0; i<npixels; i++) {
+ int r = *src++;
+ int g = *src++;
+ int b = *src++;
+ *dst++ = PACK_RGB16(r, g, b);
+ }
return 0;
}
static void destroy(void)
{
+ img_free_pixels(tex_crate.pixels);
}
static void start(long trans_time)
g3d_load_identity();
g3d_perspective(50.0, 1.3333333, 0.5, 100.0);
- g3d_enable(G3D_LIGHTING);
+ g3d_enable(G3D_CULL_FACE);
+ g3d_disable(G3D_LIGHTING);
g3d_enable(G3D_LIGHT0);
+
+ g3d_set_texture(tex_crate.width, tex_crate.height, tex_crate.pixels);
}
static void update(void)
memset(fb_pixels, 0, fb_width * fb_height * 2);
- draw_cube();
+ g3d_polygon_mode(G3D_FLAT);
+ draw_cube(-6);
+
+ g3d_polygon_mode(G3D_TEX);
+ draw_cube(1);
swap_buffers(fb_pixels);
}
-static void draw_cube(void)
+static void draw_cube(float sz)
{
+ float hsz = sz * 0.5f;
g3d_begin(G3D_QUADS);
+ g3d_color3b(255, 0, 0);
g3d_normal(0, 0, 1);
- g3d_vertex(-1, -1, 1);
- g3d_vertex(1, -1, 1);
- g3d_vertex(1, 1, 1);
- g3d_vertex(-1, 1, 1);
+ g3d_texcoord(0, 0); g3d_vertex(-hsz, -hsz, hsz);
+ g3d_texcoord(1, 0); g3d_vertex(hsz, -hsz, hsz);
+ g3d_texcoord(1, 1); g3d_vertex(hsz, hsz, hsz);
+ g3d_texcoord(0, 1); g3d_vertex(-hsz, hsz, hsz);
+ g3d_color3b(0, 255, 0);
g3d_normal(1, 0, 0);
- g3d_vertex(1, -1, 1);
- g3d_vertex(1, -1, -1);
- g3d_vertex(1, 1, -1);
- g3d_vertex(1, 1, 1);
+ g3d_texcoord(0, 0); g3d_vertex(hsz, -hsz, hsz);
+ g3d_texcoord(1, 0); g3d_vertex(hsz, -hsz, -hsz);
+ g3d_texcoord(1, 1); g3d_vertex(hsz, hsz, -hsz);
+ g3d_texcoord(0, 1); g3d_vertex(hsz, hsz, hsz);
+ g3d_color3b(0, 0, 255);
g3d_normal(0, 0, -1);
- g3d_vertex(1, -1, -1);
- g3d_vertex(-1, -1, -1);
- g3d_vertex(-1, 1, -1);
- g3d_vertex(1, 1, -1);
+ g3d_texcoord(0, 0); g3d_vertex(hsz, -hsz, -hsz);
+ g3d_texcoord(1, 0); g3d_vertex(-hsz, -hsz, -hsz);
+ g3d_texcoord(1, 1); g3d_vertex(-hsz, hsz, -hsz);
+ g3d_texcoord(0, 1); g3d_vertex(hsz, hsz, -hsz);
+ g3d_color3b(255, 0, 255);
g3d_normal(-1, 0, 0);
- g3d_vertex(-1, -1, -1);
- g3d_vertex(-1, -1, 1);
- g3d_vertex(-1, 1, 1);
- g3d_vertex(-1, 1, -1);
+ g3d_texcoord(0, 0); g3d_vertex(-hsz, -hsz, -hsz);
+ g3d_texcoord(1, 0); g3d_vertex(-hsz, -hsz, hsz);
+ g3d_texcoord(1, 1); g3d_vertex(-hsz, hsz, hsz);
+ g3d_texcoord(0, 1); g3d_vertex(-hsz, hsz, -hsz);
+ g3d_color3b(255, 255, 0);
g3d_normal(0, 1, 0);
- g3d_vertex(-1, 1, 1);
- g3d_vertex(1, 1, 1);
- g3d_vertex(1, 1, -1);
- g3d_vertex(-1, 1, -1);
+ g3d_texcoord(0, 0); g3d_vertex(-hsz, hsz, hsz);
+ g3d_texcoord(1, 0); g3d_vertex(hsz, hsz, hsz);
+ g3d_texcoord(1, 1); g3d_vertex(hsz, hsz, -hsz);
+ g3d_texcoord(0, 1); g3d_vertex(-hsz, hsz, -hsz);
+ g3d_color3b(0, 255, 255);
g3d_normal(0, -1, 0);
- g3d_vertex(1, -1, 1);
- g3d_vertex(-1, -1, 1);
- g3d_vertex(-1, -1, -1);
- g3d_vertex(1, -1, -1);
+ g3d_texcoord(0, 0); g3d_vertex(hsz, -hsz, hsz);
+ g3d_texcoord(1, 0); g3d_vertex(-hsz, -hsz, hsz);
+ g3d_texcoord(1, 1); g3d_vertex(-hsz, -hsz, -hsz);
+ g3d_texcoord(0, 1); g3d_vertex(hsz, -hsz, -hsz);
g3d_end();
}