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author | sluicebox | 2019-11-16 13:49:27 -0800 |
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committer | Eugene Sandulenko | 2019-11-19 00:20:40 +0100 |
commit | 40415a5c4a3dc78c495a89589e4590b71c0dbe77 (patch) | |
tree | 7d454afe90e29092889ef5358cd0973eb7dc4a2a /backends/platform | |
parent | 42217b5852fb0f871f78556b5bccf9403934ce08 (diff) | |
download | scummvm-rg350-40415a5c4a3dc78c495a89589e4590b71c0dbe77.tar.gz scummvm-rg350-40415a5c4a3dc78c495a89589e4590b71c0dbe77.tar.bz2 scummvm-rg350-40415a5c4a3dc78c495a89589e4590b71c0dbe77.zip |
IPHONE: Implement horizontal shake
Diffstat (limited to 'backends/platform')
-rw-r--r-- | backends/platform/iphone/iphone_video.mm | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/backends/platform/iphone/iphone_video.mm b/backends/platform/iphone/iphone_video.mm index 1866bf5f96..dc9436bfd8 100644 --- a/backends/platform/iphone/iphone_video.mm +++ b/backends/platform/iphone/iphone_video.mm @@ -568,10 +568,11 @@ const char *iPhone_getDocumentsDir() { // Scale the shake offset according to the overlay size. We need this to // adjust the overlay mouse click coordinates when an offset is set. + _scaledShakeXOffset = (int)(_videoContext.shakeXOffset / (GLfloat)_videoContext.screenWidth * CGRectGetWidth(_overlayRect)); _scaledShakeYOffset = (int)(_videoContext.shakeYOffset / (GLfloat)_videoContext.screenHeight * CGRectGetHeight(_overlayRect)); // Apply the shaking to the output screen. - glTranslatef(0, -_scaledShakeYOffset, 0); + glTranslatef(_scaledShakeXOffset, -_scaledShakeYOffset, 0); } - (void)clearColorBuffer { @@ -637,23 +638,25 @@ const char *iPhone_getDocumentsDir() { return false; CGRect *area; - int width, height, offsetY; + int width, height, offsetX, offsetY; if (_videoContext.overlayVisible) { area = &_overlayRect; width = _videoContext.overlayWidth; height = _videoContext.overlayHeight; + offsetX = _scaledShakeXOffset; offsetY = _scaledShakeYOffset; } else { area = &_gameScreenRect; width = _videoContext.screenWidth; height = _videoContext.screenHeight; + offsetX = _videoContext.shakeXOffset; offsetY = _videoContext.shakeYOffset; } point.x = (point.x - CGRectGetMinX(*area)) / CGRectGetWidth(*area); point.y = (point.y - CGRectGetMinY(*area)) / CGRectGetHeight(*area); - *x = (int)(point.x * width); + *x = (int)(point.x * width + offsetX); // offsetY describes the translation of the screen in the upward direction, // thus we need to add it here. *y = (int)(point.y * height + offsetY); |