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author | 2016-03-23 17:55:55 +0100 | |
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committer | 2016-03-23 17:55:55 +0100 | |
commit | ba0a1d8d5218804bc1d5b09d5b3fa8fcd537f0bf (patch) | |
tree | 9fe5ca6f9f6352f724ea9a26fff5ebda23576607 /src/osd/modules/render/bgfx/timeparameter.cpp | |
parent | d0867ac3f2bdcfd4d1d2361ce8b6408a185908f4 (diff) | |
parent | 5ed9f938ea322d386e949d2752892651d9ee9fde (diff) |
Merge bgfx_shader into master, nw
Diffstat (limited to 'src/osd/modules/render/bgfx/timeparameter.cpp')
-rw-r--r-- | src/osd/modules/render/bgfx/timeparameter.cpp | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/osd/modules/render/bgfx/timeparameter.cpp b/src/osd/modules/render/bgfx/timeparameter.cpp new file mode 100644 index 00000000000..f1f10ce700b --- /dev/null +++ b/src/osd/modules/render/bgfx/timeparameter.cpp @@ -0,0 +1,33 @@ +// license:BSD-3-Clause +// copyright-holders:Ryan Holtz +//============================================================ +// +// timeparameter.cpp - Time-based dynamic shader param +// +//============================================================ + +#include "timeparameter.h" + +bgfx_time_parameter::bgfx_time_parameter(std::string name, parameter_type type, double limit) + : bgfx_parameter(name, type) + , m_current_time(0) + , m_limit(limit) +{ +} + +float bgfx_time_parameter::value() +{ + return float(m_current_time * 1000.0 * 1000.0); +} + +void bgfx_time_parameter::tick(double delta) +{ + m_current_time += delta; + if (m_limit != 0) + { + while (m_current_time >= m_limit) + { + m_current_time -= m_limit; + } + } +} |