Skip to content
Permalink
Browse files

use css size for touch normalisation

  • Loading branch information
Daft-Freak committed Sep 13, 2016
1 parent 1096f32 commit be08cc61f99b54d6a62960a943a369a9f415beb4
Showing with 5 additions and 2 deletions.
  1. +5 −2 src/video/emscripten/SDL_emscriptenevents.c
@@ -374,12 +374,15 @@ Emscripten_HandleTouch(int eventType, const EmscriptenTouchEvent *touchEvent, vo
{
SDL_WindowData *window_data = userData;
int i;
double client_w, client_h;

SDL_TouchID deviceId = 1;
if (SDL_AddTouch(deviceId, "") < 0) {
return 0;
}

emscripten_get_element_css_size(NULL, &client_w, &client_h);

for (i = 0; i < touchEvent->numTouches; i++) {
SDL_FingerID id;
float x, y;
@@ -388,8 +391,8 @@ Emscripten_HandleTouch(int eventType, const EmscriptenTouchEvent *touchEvent, vo
continue;

id = touchEvent->touches[i].identifier;
x = touchEvent->touches[i].canvasX / (float)window_data->windowed_width;
y = touchEvent->touches[i].canvasY / (float)window_data->windowed_height;
x = touchEvent->touches[i].canvasX / client_w;
y = touchEvent->touches[i].canvasY / client_h;

if (eventType == EMSCRIPTEN_EVENT_TOUCHSTART) {
if (!window_data->finger_touching) {

0 comments on commit be08cc6

Please sign in to comment.