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add rotation to sprite example

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This commit is contained in:
Corwin 2023-04-03 22:41:26 +01:00
parent 7265576e2a
commit 875d53c040
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1 changed files with 26 additions and 7 deletions
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33
agb/examples/sprites.rs
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@ -3,7 +3,12 @@
extern crate alloc;
use agb::display::object::{Graphics, OAMManager, Sprite, TagMap};
use agb::display::{
affine::AffineMatrix,
object::{self, Graphics, OAMManager, Sprite, TagMap},
};
use agb::fixnum::num;
use agb_fixnum::Num;
use alloc::vec::Vec;
const GRAPHICS: &Graphics = agb::include_aseprite!(
@ -15,14 +20,20 @@ const GRAPHICS: &Graphics = agb::include_aseprite!(
const SPRITES: &[Sprite] = GRAPHICS.sprites();
const TAG_MAP: &TagMap = GRAPHICS.tags();
fn all_sprites(gfx: &OAMManager) {
fn all_sprites(gfx: &OAMManager, rotation_speed: Num<i32, 16>) {
let mut input = agb::input::ButtonController::new();
let mut objs = Vec::new();
let mut rotation: Num<i32, 16> = num!(0.);
let rotation_matrix = AffineMatrix::from_rotation(rotation);
let matrix = object::AffineMatrix::new(rotation_matrix.to_object_wrapping());
for y in 0..9 {
for x in 0..14 {
let mut obj = gfx.add_object_static_sprite(&SPRITES[0]);
obj.show();
obj.set_affine_matrix(matrix.clone());
obj.show_affine(object::AffineMode::Affine);
obj.set_position((x * 16 + 8, y * 16 + 8).into());
objs.push(obj);
}
@ -41,6 +52,15 @@ fn all_sprites(gfx: &OAMManager) {
break;
}
rotation += rotation_speed;
let rotation_matrix = AffineMatrix::from_rotation(rotation);
let matrix = object::AffineMatrix::new(rotation_matrix.to_object_wrapping());
for obj in objs.iter_mut() {
obj.set_affine_matrix(matrix.clone());
}
count += 1;
if count % 5 == 0 {
@ -50,8 +70,8 @@ fn all_sprites(gfx: &OAMManager) {
let this_image = (image + i) % SPRITES.len();
obj.set_sprite(gfx.get_vram_sprite(&SPRITES[this_image]));
}
gfx.commit();
}
gfx.commit();
}
}
@ -103,8 +123,7 @@ fn main(mut gba: agb::Gba) -> ! {
loop {
all_tags(&gfx);
gfx.commit();
all_sprites(&gfx);
gfx.commit();
all_sprites(&gfx, num!(0.));
all_sprites(&gfx, num!(0.01));
}
}