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rendering.c: sprite texture flipping

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This commit is contained in:
veclav talica 2024-07-27 15:44:34 +03:00
parent c529e6ee4e
commit 687e42ddfd
1 changed files with 8 additions and 9 deletions
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17
src/rendering/sprites.h
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@ -99,7 +99,6 @@ static struct sprite_batch {
} }
/* TODO: texture flipping */
/* assumes that orthogonal matrix setup is done already */ /* assumes that orthogonal matrix setup is done already */
static void render_sprites(const struct primitive_2d primitives[], static void render_sprites(const struct primitive_2d primitives[],
const size_t len, const size_t len,
@ -142,32 +141,32 @@ static void render_sprites(const struct primitive_2d primitives[],
sprite.rect.x, sprite.rect.x,
sprite.rect.y }, sprite.rect.y },
.uv0 = { .uv0 = {
xr, xr + wr * sprite.flip_x,
yr, }, yr + hr * sprite.flip_y, },
/* bottom-left */ /* bottom-left */
.v1 = { .v1 = {
(sprite.rect.x), (sprite.rect.x),
(sprite.rect.y + sprite.rect.h) }, (sprite.rect.y + sprite.rect.h) },
.uv1 = { .uv1 = {
xr, xr + wr * sprite.flip_x,
yr + hr, }, yr + hr * !sprite.flip_y, },
/* bottom-right */ /* bottom-right */
.v2 = { .v2 = {
(sprite.rect.x + sprite.rect.w), (sprite.rect.x + sprite.rect.w),
(sprite.rect.y + sprite.rect.h) }, (sprite.rect.y + sprite.rect.h) },
.uv2 = { .uv2 = {
xr + wr, xr + wr * !sprite.flip_x,
yr + hr, }, yr + hr * !sprite.flip_y, },
/* upper-right */ /* upper-right */
.v3 = { .v3 = {
(sprite.rect.x + sprite.rect.w), (sprite.rect.x + sprite.rect.w),
(sprite.rect.y) }, (sprite.rect.y) },
.uv3 = { .uv3 = {
xr + wr, xr + wr * !sprite.flip_x,
yr, }, yr + hr * sprite.flip_y, },
/* equal for all (flat shaded) */ /* equal for all (flat shaded) */
.c0 = sprite.color, .c0 = sprite.color,