aboutsummaryrefslogtreecommitdiff
path: root/src/sdl
diff options
context:
space:
mode:
authorPaul Duncan <pabs@pablotron.org>2019-01-14 19:48:01 -0500
committerPaul Duncan <pabs@pablotron.org>2019-01-14 19:48:01 -0500
commit7713f545b9c1556a68596efef83569d3d7d5037b (patch)
treea642257f3e761c6b725667b710a9b5fe3fc693f9 /src/sdl
parentd75423815e3f81de0e4fbb8a5dc9aa43fd923f9b (diff)
downloadsok-7713f545b9c1556a68596efef83569d3d7d5037b.tar.bz2
sok-7713f545b9c1556a68596efef83569d3d7d5037b.zip
cache SDL_GetTicks()
Diffstat (limited to 'src/sdl')
-rw-r--r--src/sdl/draw.c13
-rw-r--r--src/sdl/draw.h1
2 files changed, 7 insertions, 7 deletions
diff --git a/src/sdl/draw.c b/src/sdl/draw.c
index f27a6be..f7f9ff7 100644
--- a/src/sdl/draw.c
+++ b/src/sdl/draw.c
@@ -139,9 +139,7 @@ draw_on_home(
void * const data
) {
draw_ctx_t * const draw_ctx = data;
- const bool is_done = sok_ctx_is_done(draw_ctx->ctx);
- const Uint32 ticks = SDL_GetTicks();
- const double angle = is_done ? (10 * sin(ticks * M_2_PI / 1000.0)) : 0;
+ const double angle = sok_ctx_is_done(draw_ctx->ctx) ? (10 * sin(draw_ctx->ticks * M_2_PI / 1000.0)) : 0;
draw_cell(draw_ctx, pos, SPRITE_HOME, angle);
@@ -156,9 +154,7 @@ draw_on_box(
void * const data
) {
draw_ctx_t * const draw_ctx = data;
- const Uint32 ticks = SDL_GetTicks();
- const bool is_done = sok_ctx_is_done(draw_ctx->ctx);
- const double angle = is_done ? (5 * sin((100 * (pos.y + pos.x) + ticks) * M_2_PI / 1000.0)) : 0;
+ const double angle = sok_ctx_is_done(draw_ctx->ctx) ? (5 * sin((100 * (pos.y + pos.x) + draw_ctx->ticks) * M_2_PI / 1000.0)) : 0;
draw_cell(draw_ctx, pos, SPRITE_BOX, angle);
@@ -279,7 +275,7 @@ draw_bg(
// get color
const SDL_Color c = bg_style_get_color(
BG_STYLES + (sok_ctx_is_done(draw_ctx->ctx) ? 1 : 0),
- SDL_GetTicks()
+ draw_ctx->ticks
);
// set color
@@ -295,6 +291,9 @@ void
draw(
draw_ctx_t * const draw_ctx
) {
+ // update timestamp
+ draw_ctx->ticks = SDL_GetTicks();
+
// clear background
draw_bg(draw_ctx);
diff --git a/src/sdl/draw.h b/src/sdl/draw.h
index b8aeed4..19d8837 100644
--- a/src/sdl/draw.h
+++ b/src/sdl/draw.h
@@ -22,6 +22,7 @@ typedef struct {
// render offset
int render_ofs_x, render_ofs_y;
+ Uint32 ticks;
} draw_ctx_t;
void draw(draw_ctx_t * const);