105 lines
3.7 KiB
C
105 lines
3.7 KiB
C
// ddraw demo: fps camera, renderdd, collide, math, ui, fx, boids
|
|
// - rlyeh, public domain.
|
|
//
|
|
// Compile with:
|
|
// `make demos\02-ddraw.c` (windows)
|
|
// `sh MAKE.bat demos/02-ddraw.c` (linux, osx)
|
|
|
|
#include "v4k.h"
|
|
|
|
int main() {
|
|
bool do_boids_demo = 1;
|
|
bool do_colliders_demo = 1;
|
|
bool do_debugdraw_demo = 1;
|
|
|
|
// 75% size, MSAAx2
|
|
window_create(75.0, WINDOW_MSAA2);
|
|
window_title(__FILE__);
|
|
|
|
// camera that points to origin
|
|
camera_t cam = camera();
|
|
// load skybox folder (no flags)
|
|
skybox_t sky = skybox("cubemaps/stardust", 0);
|
|
// load all postfx files in all subdirs
|
|
fx_load("fx**.fs");
|
|
|
|
// main loop
|
|
while( window_swap() ) {
|
|
|
|
// input handler
|
|
if (input_down(KEY_F11) ) window_fullscreen( window_has_fullscreen()^1 );
|
|
if (input_down(KEY_ESC) ) break;
|
|
|
|
// fps camera
|
|
profile("FPS camera") {
|
|
if( input(GAMEPAD_CONNECTED) ) {
|
|
vec2 filtered_lpad = input_filter_deadzone(input2(GAMEPAD_LPAD), 0.15f/*do_gamepad_deadzone*/ + 1e-3 );
|
|
vec2 filtered_rpad = input_filter_deadzone(input2(GAMEPAD_RPAD), 0.15f/*do_gamepad_deadzone*/ + 1e-3 );
|
|
vec2 mouse = scale2(vec2(filtered_rpad.x, filtered_rpad.y), 1.0f);
|
|
vec3 wasdec = scale3(vec3(filtered_lpad.x, input(GAMEPAD_LT) - input(GAMEPAD_RT), filtered_lpad.y), 1.0f);
|
|
camera_moveby(&cam, wasdec);
|
|
camera_fps(&cam, mouse.x,mouse.y);
|
|
window_cursor( true );
|
|
} else {
|
|
bool active = ui_active() || ui_hover() || gizmo_active() ? false : input(MOUSE_L) || input(MOUSE_M) || input(MOUSE_R);
|
|
if( active ) cam.speed = clampf(cam.speed + input_diff(MOUSE_W) / 10, 0.05f, 5.0f);
|
|
vec2 mouse = scale2(vec2(input_diff(MOUSE_X), -input_diff(MOUSE_Y)), 0.2f * active);
|
|
vec3 wasdecq = scale3(vec3(input(KEY_D)-input(KEY_A),input(KEY_E)-(input(KEY_C)||input(KEY_Q)),input(KEY_W)-input(KEY_S)), cam.speed);
|
|
camera_moveby(&cam, wasdecq);
|
|
camera_fps(&cam, mouse.x,mouse.y);
|
|
window_cursor( !active );
|
|
}
|
|
}
|
|
|
|
// draw skybox
|
|
skybox_render(&sky, cam.proj, cam.view);
|
|
|
|
// world
|
|
ddraw_grid(0);
|
|
|
|
// boids
|
|
static swarm_t sw;
|
|
if( do_boids_demo ) profile("boids") {
|
|
do_once sw = swarm();
|
|
do_once array_push(sw.steering_targets, vec3(0,0,0));
|
|
do_once for(int i = 0; i < 100; ++i)
|
|
array_push(sw.boids, boid(scale3(rnd3(),10), rnd3())); // pos,vel
|
|
|
|
// move
|
|
sw.steering_targets[0] = cam.position;
|
|
swarm_update(&sw, window_delta());
|
|
|
|
// draw
|
|
for (int j = 0, end = array_count(sw.boids); j < end; ++j) {
|
|
vec3 dir = norm3(sub3(sw.boids[j].position, sw.boids[j].prev_position));
|
|
ddraw_boid(sw.boids[j].position, dir);
|
|
}
|
|
}
|
|
|
|
// showcase many debugdraw shapes
|
|
if( do_debugdraw_demo ) {
|
|
ddraw_demo();
|
|
}
|
|
|
|
// showcase many colliding tests
|
|
if( do_colliders_demo ) {
|
|
collide_demo();
|
|
}
|
|
|
|
// ui
|
|
if( ui_panel("App", 0) ) {
|
|
ui_bool("Boids demo", &do_boids_demo);
|
|
ui_bool("Collide demo", &do_colliders_demo);
|
|
ui_bool("DebugDraw demo", &do_debugdraw_demo);
|
|
ui_panel_end();
|
|
}
|
|
if( ui_panel("Swarm", 0) ) {
|
|
ui_swarm(&sw);
|
|
ui_panel_end();
|
|
}
|
|
}
|
|
}
|
|
|
|
// this demo supersedes following old sources:
|
|
// https://github.com/r-lyeh/V4K/blob/45e34d7890b2b8fe1f4994f4b76e496280d83cb6/demos/00-collide.c
|