tsoding.olive.c/demos/squish.c

#include "vc.c"
#include "./assets/tsodinPog.c"

#define WIDTH 960
#define HEIGHT 720

float sinf(float);

static uint32_t dst[WIDTH*HEIGHT];
static float global_time = 0;

#define SRC_SCALE 3

Olivec_Canvas vc_render(float dt)
{
    global_time += dt;

    float t = sinf(10*global_time);

    Olivec_Canvas dst_canvas = olivec_canvas(dst, WIDTH, HEIGHT, WIDTH);

    olivec_fill(dst_canvas, 0xFF181818);

    int factor = 100;
    int w = tsodinPog_width*SRC_SCALE - t*factor;
    int h = tsodinPog_height*SRC_SCALE + t*factor;

    olivec_sprite_copy_bilinear(
        dst_canvas,
        WIDTH/2 - w/2, HEIGHT - h, w, h,
        olivec_canvas(tsodinPog_pixels, tsodinPog_width, tsodinPog_height, tsodinPog_width));

    return dst_canvas;
}