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Okay, this definitely definitely is supposed to be this way around.

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This commit is contained in:
Thomas Harte 2016-02-28 22:00:05 -05:00
parent 3449120c24
commit 2f7626a5e0
1 changed files with 1 additions and 1 deletions
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Outputs/CRT/CRTOpenGL.cpp
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@ -375,7 +375,7 @@ void CRT::prepare_shader()
glUniform2f(positionConversionUniform, _horizontal_flywheel->get_scan_period(), _vertical_flywheel->get_scan_period() / (unsigned int)_vertical_flywheel_output_divider);
float scan_angle = atan2f(1.0f / (float)_height_of_display, 1.0f);
float scan_normal[] = { sinf(scan_angle), cosf(scan_angle)};
float scan_normal[] = { -sinf(scan_angle), cosf(scan_angle)};
float multiplier = (float)_horizontal_flywheel->get_standard_period() / ((float)_height_of_display * (float)_horizontal_flywheel->get_scan_period());
scan_normal[0] *= multiplier;
scan_normal[1] *= multiplier;