Initial commit

1 files changed, 60 insertions, 0 deletions

diff --git a/Minecraft.Client/GuiParticle.cpp b/Minecraft.Client/GuiParticle.cpp
new file mode 100644
index 00000000..25859c70
--- /dev/null
+++ b/Minecraft.Client/GuiParticle.cpp
@@ -0,0 +1,60 @@
+#include "stdafx.h"
+#include "GuiParticle.h"
+#include "..\Minecraft.World\Random.h"
+
+Random *GuiParticle::random = new Random();
+
+GuiParticle::GuiParticle(double x, double y, double xa, double ya)
+{
+	// 4J - added initialisation block
+    removed = false;
+    life = 0;
+    a = 1;
+    oR = oG = oB = oA = 0;
+		
+	this->xo = this->x = x;
+    this->yo = this->y = y;
+    this->xa = xa;
+    this->ya = ya;
+
+    int col = Color::HSBtoRGB(random->nextFloat(), 0.5f, 1);
+    r = ((col >> 16) & 0xff) / 255.0;
+    g = ((col >> 8) & 0xff) / 255.0;
+    b = ((col) & 0xff) / 255.0;
+
+    friction = 1.0 / (random->nextDouble() * 0.05 + 1.01);
+
+    lifeTime = (int) (10.0 / (random->nextDouble() * 2 + 0.1));
+}
+
+void GuiParticle::tick(GuiParticles *guiParticles)
+{
+    x += xa;
+    y += ya;
+
+    xa *= friction;
+    ya *= friction;
+
+    ya += 0.1;
+    if (++life > lifeTime) remove();
+    a = 2 - (life / (double) lifeTime) * 2;
+    if (a > 1) a = 1;
+    a = a * a;
+    a *= 0.5;
+}
+
+void GuiParticle::preTick()
+{
+    oR = r;
+    oG = g;
+    oB = b;
+    oA = a;
+
+    xo = x;
+    yo = y;
+}
+
+void GuiParticle::remove()
+{
+	removed = true;
+}
\ No newline at end of file