implement basic floating-ray character controller

1 files changed, 29 insertions, 0 deletions

diff --git a/scripts/character/spring.lua b/scripts/character/spring.lua
new file mode 100644
index 0000000..ed3e878
--- /dev/null
+++ b/scripts/character/spring.lua
@@ -0,0 +1,29 @@
+require 'honey.std'
+
+
+local values = {}
+local sum = 0
+function integral(value)
+	sum = sum + value
+	table.insert(values, value)
+	if #values > 20 then
+		sum = sum - values[1]
+		table.remove(values, 1)
+	end
+	return sum
+end
+
+local prev = 0
+function derivative(value)
+	local delta = value - prev
+	prev = value
+	return delta
+end
+
+return function(db, self, other, point)
+	local tbl = ode.ContactGeomTable(point)
+	local x = tbl.depth - 3.8
+	local spring = db:getComponent(self, "spring")
+	spring.F = math.abs(200 * x)
+	print("depth", x)
+end