diff options
Diffstat (limited to 'demo/Vector.lua')
-rw-r--r-- | demo/Vector.lua | 359 |
1 files changed, 305 insertions, 54 deletions
diff --git a/demo/Vector.lua b/demo/Vector.lua index 89fd26a..534be3e 100644 --- a/demo/Vector.lua +++ b/demo/Vector.lua @@ -1,65 +1,316 @@ -local Vec3 = {} - -Vec3.tostring = function(vec3) - local str = '['.. - tostring(honey.cglm.get_value(vec3, 0))..','.. - tostring(honey.cglm.get_value(vec3, 1))..','.. - tostring(honey.cglm.get_value(vec3, 2))..']' - return str -end - -Vec3.new = function(tbl) - if tbl == nil then - return honey.cglm.new_array_zero(3) - end - - if #tbl ~= 3 then - error('3-vectors require exactly three elements!') - end - - local vec3 = honey.cglm.new_array_zero(3) - for i = 0,2 do - honey.cglm.set_value(vec3, i, tbl[i+1]) - end - - return vec3 -end - -Vec3.ZERO = Vec3.new() -Vec3.X_UNIT = Vec3.new{1, 0, 0} -Vec3.Y_UNIT = Vec3.new{0, 1, 0} -Vec3.Z_UNIT = Vec3.new{0, 0, 1} +local Enum = require('Enum') + +local Vector = {} + +Vector.type = Enum{'Vec3', 'Vec4'} + +-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +-- +-- Vec3 +-- +-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Vector.Vec3 = {} + +Vector.Vec3.prototype = {} + +Vector.Vec3.prototype.type = Vector.type.Vec3 + +Vector.Vec3.prototype.at = function(self, index) + return honey.cglm.get_value(self.array, index) +end + +Vector.Vec3.prototype.setAt = function(self, index, value) + honey.cglm.set_value(self.array, index, value) +end + +Vector.Vec3.prototype.dot = function(self, v, dest) + local result + if dest == nil then + result = Vector.Vec3.new() + else + result = dest + end + + honey.cglm.vec3.dot(self.array, v.array, result.array) + return result +end + +Vector.Vec3.prototype.norm2 = function(self) + return honey.cglm.vec3.norm2(self.array) +end + +Vector.Vec3.prototype.norm = function(self) + return honey.cglm.vec3.norm(self.array) +end + +Vector.Vec3.prototype.add = function(self, v, dest) + local result + if dest == nil then + result = Vector.Vec3.new() + else + result = dest + end + + honey.cglm.vec3.add(self.array, v.array, result.array) + return result +end + +Vector.Vec3.prototype.adds = function(self, s, dest) + local result + if dest == nil then + result = Vector.Vec3.new() + else + result = dest + end + + honey.cglm.vec3.adds(s, self.array, result.array) + return result +end + +Vector.Vec3.prototype.sub = function(self, v, dest) + local result + if dest == nil then + result = Vector.Vec3.new() + else + result = dest + end + + honey.cglm.vec3.sub(self.array, v.array, result.array) + return result +end + +Vector.Vec3.prototype.mul = function(self, v, dest) + local result + if dest == nil then + result = Vector.Vec3.new() + else + result = dest + end + + honey.cglm.vec3.mul(self.array, v.array, result.array) + return result +end + +Vector.Vec3.prototype.muls = function(self, s, dest) + local result + if dest == nil then + result = Vector.Vec3.new() + else + result = dest + end + + honey.cglm.vec3.muls(s, self.array, result.array) + return result +end + +Vector.Vec3.prototype.normalize = function(self) + honey.cglm.vec3.normalize(self.array) +end + +Vector.Vec3.prototype.distanceTo = function(self, v) + return honey.cglm.vec3.distance(self.array, v.array) +end + +Vector.Vec3.prototype.lerp = function(self, v, s, dest) + local result + if dest == nil then + result = Vector.Vec3.new() + else + result = dest + end + + honey.cglm.vec3.lerp(self.array, v.array, s, result.array) + return result +end + +-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Vector.Vec3.mt = {} +Vector.Vec3.mt.__index = Vector.Vec3.prototype +Vector.Vec3.mt.__tostring = function(vec3) + local str = 'vec3('.. + tostring(vec3:at(0))..', '.. + tostring(vec3:at(1))..', '.. + tostring(vec3:at(2))..')' + return str +end + +-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Vector.Vec3.new = function(tbl) + local vec3 = {} + vec3.array = honey.cglm.new_array_zero(3) + setmetatable(vec3, Vector.Vec3.mt) + + if tbl == nil then return vec3 end + + for i=0,2 do + vec3:setAt(i, tbl[i+1]) + end + + return vec3 +end + +Vector.Vec3.ZERO = Vector.Vec3.new() +Vector.Vec3.X_UNIT = Vector.Vec3.new{1, 0, 0} +Vector.Vec3.Y_UNIT = Vector.Vec3.new{0, 1, 0} +Vector.Vec3.Z_UNIT = Vector.Vec3.new{0, 0, 1} -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ +-- +-- Vec4 +-- +-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Vector.Vec4 = {} + +Vector.Vec4.prototype = {} + +Vector.Vec4.prototype.type = Vector.type.Vec4 + +Vector.Vec4.prototype.at = function(self, index) + return honey.cglm.get_value(self.array, index) +end + +Vector.Vec4.prototype.setAt = function(self, index, value) + honey.cglm.set_value(self.array, index, value) +end + +Vector.Vec4.prototype.dot = function(self, v, dest) + local result + if dest == nil then + result = Vector.Vec4.new() + else + result = dest + end + + honey.cglm.vec4.dot(self.array, v.array, result.array) + return result +end + +Vector.Vec4.prototype.norm2 = function(self) + return honey.cglm.vec4.norm2(self.array) +end + +Vector.Vec4.prototype.norm = function(self) + return honey.cglm.vec4.norm(self.array) +end + +Vector.Vec4.prototype.add = function(self, v, dest) + local result + if dest == nil then + result = Vector.Vec4.new() + else + result = dest + end + + honey.cglm.vec4.add(self.array, v.array, result.array) + return result +end + +Vector.Vec4.prototype.adds = function(self, s, dest) + local result + if dest == nil then + result = Vector.Vec4.new() + else + result = dest + end + + honey.cglm.vec4.adds(s, self.array, result.array) + return result +end -local Vec4 = {} +Vector.Vec4.prototype.sub = function(self, v, dest) + local result + if dest == nil then + result = Vector.Vec4.new() + else + result = dest + end -Vec4.tostring = function(vec4) - local str = '['.. - tostring(honey.cglm.get_value(vec4, 0))..','.. - tostring(honey.cglm.get_value(vec4, 1))..','.. - tostring(honey.cglm.get_value(vec4, 2))..','.. - tostring(honey.cglm.get_value(vec4, 3))..']' - return str + honey.cglm.vec4.sub(self.array, v.array, result.array) + return result end -Vec4.new = function(tbl) - if tbl == nil then - return honey.cglm.new_array_zero(4) - end - - if #tbl ~= 4 then - error('4-vectors require exactly four elements!') - end - - local vec4 = honey.cglm.new_array_zero(4) - for i = 0,3 do - honey.cglm.set_value(vec4, i, tbl[i+1]) - end +Vector.Vec4.prototype.mul = function(self, v, dest) + local result + if dest == nil then + result = Vector.Vec4.new() + else + result = dest + end - return vec4 + honey.cglm.vec4.mul(self.array, v.array, result.array) + return result end +Vector.Vec4.prototype.muls = function(self, s, dest) + local result + if dest == nil then + result = Vector.Vec4.new() + else + result = dest + end + + honey.cglm.vec4.muls(s, self.array, result.array) + return result +end + +Vector.Vec4.prototype.normalize = function(self) + honey.cglm.vec4.normalize(self.array) +end + +Vector.Vec4.prototype.distanceTo = function(self, v) + return honey.cglm.vec4.distance(self.array, v.array) +end + +Vector.Vec4.prototype.lerp = function(self, v, s, dest) + local result + if dest == nil then + result = Vector.Vec4.new() + else + result = dest + end + + honey.cglm.vec4.lerp(self.array, v.array, s, result.array) + return result +end + +-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Vector.Vec4.mt = {} +Vector.Vec4.mt.__index = Vector.Vec4.prototype +Vector.Vec4.mt.__tostring = function(vec4) + local str = 'vec4('.. + tostring(vec4:at(0))..', '.. + tostring(vec4:at(1))..', '.. + tostring(vec4:at(2))..', '.. + tostring(vec4:at(3))..')' + return str +end + +-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Vector.Vec4.new = function(tbl) + local vec4 = {} + vec4.array = honey.cglm.new_array_zero(4) + setmetatable(vec4, Vector.Vec4.mt) + + if tbl == nil then return vec4 end + + for i=0,3 do + vec4:setAt(i, tbl[i+1]) + end + + return vec4 +end + +-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +return Vector + + + -return function() return Vec3, Vec4 end |