InitHEADmain

1 files changed, 18 insertions, 0 deletions

diff --git a/Homework/cs3460/gameoflife/PatternRandom.cpp b/Homework/cs3460/gameoflife/PatternRandom.cpp
new file mode 100644
index 0000000..924fb2c
--- /dev/null
+++ b/Homework/cs3460/gameoflife/PatternRandom.cpp
@@ -0,0 +1,18 @@
+#include "PatternRandom.hpp"
+
+const float DISTRIBUTION_DEV = 2.0;
+
+PatternRandom::PatternRandom(std::uint8_t cols, std::uint8_t rows, float density) :
+    PatternSet(cols, rows),
+    m_distributionX(cols / 2.0, cols / DISTRIBUTION_DEV),
+    m_distributionY(rows / 2.0, rows / DISTRIBUTION_DEV)
+{
+    std::uint32_t numCellsApprox = static_cast<std::uint32_t>(density * cols * rows);
+
+    for (std::uint32_t i = 0; i < numCellsApprox; ++i)
+    {
+        std::uint8_t randX = std::clamp(static_cast<std::uint8_t>(m_distributionX(m_generator)), static_cast<std::uint8_t>(0), cols);
+        std::uint8_t randY = std::clamp(static_cast<std::uint8_t>(m_distributionY(m_generator)), static_cast<std::uint8_t>(0), rows);
+        m_aliveCells.insert(std::pair<std::uint8_t, std::uint8_t>(randX, randY));
+    }
+}