implement basic floating-ray character controller

1 files changed, 97 insertions, 0 deletions

diff --git a/character.lua b/character.lua
new file mode 100644
index 0000000..431e473
--- /dev/null
+++ b/character.lua
@@ -0,0 +1,97 @@
+require 'honey.std'
+
+return function(db)
+	local capsule = db:createEntityWithComponents{
+		node = {
+			matrix = Mat4()
+				:identity()
+				:translate(Vec3{0,10,0})
+				:rotateX(0.5*math.pi)
+		},
+		collision = {
+			class = "capsule",
+			radius = 1,
+			length = 2,
+			category = 2,
+			collide = bit.bxor(0xffffffff, 2)
+		},
+		physics = {
+			mass = {
+				class = "capsule",
+				mass = 10,
+				direction = 3,
+				radius = 1,
+				length = 2,
+			},
+			surface = true,
+			maxAngularSpeed = 0,
+		},
+		renderMesh = {
+			mesh = { filename="assets/capsule.obj", index=1 },
+			shader = { vertex="vertex.glsl", fragment="fragment.glsl" },
+			textures = {
+				ourTexture = { filename = "assets/green-grass.jpg" },
+			},
+		},
+		script = { script = "scripts.capsuleMove" },
+	}
+
+
+	local spring = db:createEntityWithComponents{
+		node = {
+			name = "spring",
+			parent = capsule,
+			matrix = Mat4():identity()
+				:translate(Vec3{0,-1,0})
+		},
+		collision = {
+			class = "ray",
+			length = 4,
+			category = 2,
+			collide = bit.bxor(0xffffffff, 2)
+		},
+		onCollision = {
+			script = "scripts.character.spring",
+		},
+		spring = {
+			F = 0,
+		}
+	}
+
+
+	local pivotPivot = db:createEntityWithComponents{
+		node = {
+			name = "p",
+			parent = capsule,
+			matrix = Mat4():identity():rotateX(-0.5*math.pi),
+		},
+	}
+
+
+	local capcamPivot = db:createEntityWithComponents{
+		node = {
+			name = "pivot",
+			parent = pivotPivot,
+			matrix = Mat4():identity(),
+		},
+		pitchyaw = {
+			pitch = 0,
+			yaw = 0,
+		},
+		onCursorPos = { script = "scripts.cameraPivot" },
+	}
+
+
+	local capcam = db:createEntityWithComponents{
+		camera = {
+			projection = Mat4():perspective(math.rad(45), 640/480, 0.1, 1000),
+			render="screen",
+		},
+		node = {
+			parent = capcamPivot,
+			matrix = Mat4():identity():translate(Vec3{0,0,20}),
+		},
+		onScroll = { script = "scripts.character.cameraDistance" },
+		onFramebufferSize = { script = "scripts.cameraHandleResize" },
+	}
+end