started scale tool

workshop/controllers/sidetools/hand.lua

@@ -111,9 +111,9 @@ return {
                         history.beginAction(selection.selection, "Hand tool drag")
 
                         local grid = engine.construct("grid", workspace, {
-                            step = 0.5,
+                            step = gridStep,
                             colour = colour(0.1, 0, 0.1),
-                            size = 10,
+                            size = 12,
                             rotation = quaternion:setEuler(math.rad(90), 0, 0)
                         })
 

workshop/controllers/sidetools/main.lua

@@ -5,6 +5,6 @@
 return {
     handTool   = require("tevgit:workshop/controllers/sidetools/hand.lua"),
     moveTool   = require("tevgit:workshop/controllers/sidetools/move.lua"),
-    --scaleTool = require("tevgit:workshop/controllers/sidetools/scale.lua"),
+    scaleTool  = require("tevgit:workshop/controllers/sidetools/scale.lua"),
     --rotateTool = require("tevgit:workshop/controllers/sidetools/rotate.lua"),
 }

workshop/controllers/sidetools/move.lua

@@ -121,6 +121,13 @@ return {
                 handle:mouseLeftPressed(function()
                     gridGuideline.size = vector3(300, 0.1, 300)
 
+                    local gridVisual = engine.construct("grid", workspace, {
+                        step = gridStep,
+                        colour = colour(0.1, 0, 0.1),
+                        size = 25,
+                        rotation = quaternion:setEuler(math.rad(90), 0, 0)
+                    })
+
                     local last = nil
 
                     while engine.input:isMouseButtonDown(enums.mouseButton.left) do
@@ -136,6 +143,11 @@ return {
                         gridGuideline.rotation =  lookAt * quaternion():setEuler(math.rad(90),0,0)
                         gridGuideline.position = selection.box.position
 
+                        if axis == "y" then
+                            gridVisual.rotation = quaternion:setLookRotation( pos1 - pos2 ) * quaternion():setEuler(math.rad(180),0,0)
+                        end
+                        gridVisual.position = selection.box.position
+
                         local mouseHits = engine.physics:rayTestScreenAllHits( engine.input.mousePosition )
                         local mouseHit = nil
                         -- We only want the gridGuideline
@@ -161,12 +173,14 @@ return {
                                     end
                                 end
 
+                                if didMove then
                                     for _,v in pairs(selection.selection) do
                                         if type(v.position) == "vector3" then
                                             v.position = v.position + translateBy
                                         end
                                     end
                                 end
+                            end
 
                             if didMove then
                                 last = target[axis]
@@ -176,6 +190,7 @@ return {
                         wait()
                     end
 
+                    gridVisual:destroy()
                     gridGuideline.size = vector3(0, 0, 0)
                 end)
 

workshop/controllers/sidetools/scale.lua

@@ -5,16 +5,242 @@ local toolName = "Scale"
 local toolDesc = ""
 local toolIcon = "fa:s-expand"
 
+local selection = require("tevgit:workshop/controllers/core/selection.lua")
+local history = require("tevgit:workshop/controllers/core/history.lua")
+local ui = require("tevgit:workshop/controllers/ui/core/ui.lua")
+local shared = require("tevgit:workshop/controllers/shared.lua")
+
+local boundingBoxChangedEvent;
+local gridGuideline;
+local handles;
+
+local settingsGui = nil
+
+local function updateHandles()
+    if handles then
+        if selection.box.size == vector3(0,0,0) then
+            for _,v in pairs(handles) do
+                v[1].size = vector3(0,0,0)
+                v[1].opacity = 0
+            end
+        else
+            for _,v in pairs(handles) do
+                v[1].position = selection.box.position + selection.box.rotation* ((v[2] * selection.box.size/2) + (v[2]*1.5)) 
+                v[1]:lookAt(selection.box.position)
+                v[1].rotation = v[1].rotation * quaternion():setEuler(math.rad(90), 0, 0)
+                v[1].size = vector3(0.4, 0.4, 0.4)
+                v[1].opacity = 1
+            end
+        end
+    end
+end
+
+local axes = {"x", "y", "z"}
+
 return {
     name = toolName,
     icon = toolIcon,
     desc = toolDesc,
 
     activate = function()
-    	print("tool activated")
+        settingsGui = ui.create("guiFrame", shared.workshop.interface["_toolBar"], {
+            size = guiCoord(0, 120, 0, 28),
+            position = guiCoord(0, 80, 0, 0),
+            backgroundAlpha = 0.8,
+            borderRadius = 4
+        }, "primary")
+
+        ui.create("guiTextBox", settingsGui, {
+            size = guiCoord(0.6, 0, 0, 18),
+            position = guiCoord(0, 5, 0, 5),
+            text = "Grid Step",
+            fontSize = 18,
+            textAlpha = 0.8 
+        }, "primaryText")
+
+        local gridStep = 1
+
+        local gridStepInput = ui.create("guiTextBox", settingsGui, {
+            size = guiCoord(0.4, -6, 0, 18),
+            position = guiCoord(0.6, 3, 0, 5),
+            text = tostring(gridStep),
+            fontSize = 18,
+            textAlpha = 0.8,
+            borderRadius = 4,
+            align = enums.align.middle,
+            readOnly = false
+        }, "primaryVariant")
+
+        gridStepInput:on("changed", function()
+            gridStep = tonumber(gridStepInput.text) or 0 
+        end)
+
+        local offsets = {}
+        keyEvent = engine.input:keyPressed(function( inputObj )
+            if inputObj.key == enums.key.r and isDragging then
+                local targetRot = quaternion:setEuler(0,math.rad(-45),0)
+                for _,v in pairs(selection.selection) do
+                    if offsets[v] then
+                        offsets[v][2] = offsets[v][2] * targetRot
+                        v.rotation = offsets[v][2]
+                    end
+                end
+            end
+        end)
+
+        -- This is used to raycast the user's mouse position to an axis
+        gridGuideline = engine.construct("block", workspace, {
+            name = "_GridGuideline",
+            size = vector3(0, 0, 0),
+            colour = colour(1, 1, 1),
+            opacity = 0,
+            workshopLocked = true,
+            castsShadows = false
+        })
+
+        handles = {}
+
+        for axisNumber, axis in pairs(axes) do
+            for i = -1, 1, 2 do
+                local face = vector3(0, 0, 0)
+                face[axis] = i
+
+                local handle = engine.construct("block", nil, {
+                    name            = "_CreateMode_",
+                    castsShadows    = false,
+                    opacity         = 0,
+                    renderQueue     = 1,
+                    doNotSerialise  = true,
+                    size            = vector3(0.1, 0.1, 0.1),
+                    colour          = colour(axisNumber == 1 and 1 or 0, axisNumber == 2 and 1 or 0, axisNumber == 3 and 1 or 0),
+                    emissiveColour  = colour(axisNumber == 1 and 1 or 0, axisNumber == 2 and 1 or 0, axisNumber == 3 and 1 or 0), 
+                    workshopLocked  = true
+                })
+
+                if (axis == "x" and i == -1) or 
+                    (axis == "y" and i == 1) or
+                    (axis == "z" and i == 1) then
+                    handle.mesh = "primitive:sphere"
+                end
+
+                handle:mouseLeftPressed(function()
+                    gridGuideline.size = vector3(300, 0.1, 300)
+
+                    local gridVisual = engine.construct("grid", workspace, {
+                        step = gridStep,
+                        colour = colour(0.1, 0, 0.1),
+                        size = 25,
+                        rotation = quaternion:setEuler(math.rad(90), 0, 0)
+                    })
+
+                    local last = nil
+                    local lastDist = nil
+                    local dist = nil
+
+                    while engine.input:isMouseButtonDown(enums.mouseButton.left) do
+                        -- Position and rotate the invisible guideline to face the camera.
+                        -- We use this guideline to raycast with
+                        local pos1 = gridGuideline.position
+                        pos1[axis] = 0
+
+                        local pos2 = workspace.camera.position
+                        pos2[axis] = 0
+
+                        local lookAt = gridGuideline.rotation:setLookRotation( pos1 - pos2 )
+                        gridGuideline.rotation =  lookAt * quaternion():setEuler(math.rad(90),0,0)
+                        gridGuideline.position = selection.box.position
+
+                        if axis == "y" then
+                            gridVisual.rotation = quaternion:setLookRotation( pos1 - pos2 ) * quaternion():setEuler(math.rad(180),0,0)
+                        end
+
+                        gridVisual.position = selection.box.position
+
+                        local mouseHits = engine.physics:rayTestScreenAllHits( engine.input.mousePosition )
+                        local mouseHit = nil
+                        -- We only want the gridGuideline
+                        for _,hit in pairs(mouseHits) do
+                            if hit.object == gridGuideline then
+                                mouseHit = hit
+                                goto skip_loop
+                            end
+                        end
+                        ::skip_loop::
+
+                        if mouseHit and mouseHit.object == gridGuideline then
+                            dist = (selection.box.position - mouseHit.hitPosition):length()
+
+                            local target = mouseHit.hitPosition - selection.box.position
+                            
+                            local didMove = true
+                            if last ~= nil then
+                                local translateBy = vector3(0, 0, 0)
+                                translateBy[axis] = target[axis] - last
+
+                                if gridStep ~= 0 then
+                                    translateBy = shared.roundVector3(translateBy, gridStep)
+                                    if translateBy[axis] == 0 then
+                                        didMove = false
+                                    end
+                                end
+
+                                if didMove then
+                                    for _,v in pairs(selection.selection) do
+                                        if type(v.position) == "vector3" and type(v.size) == "vector3" then
+                                            v.position = v.position + (translateBy / 2)
+                                            translateBy[axis] = math.abs(translateBy[axis])
+                                            if lastDist > dist then
+                                                translateBy[axis] = -translateBy[axis]
+                                            end
+                                            local scaleBy = (v.rotation * translateBy)
+                                            v.size = v.size + scaleBy
+                                        end
+                                    end
+                                end
+                            end
+
+                            if didMove then
+                                last = target[axis]
+                                lastDist = dist
+                            end
+                        end
+
+                        wait()
+                    end
+
+                    gridVisual:destroy()
+                    gridGuideline.size = vector3(0, 0, 0)
+                end)
+
+                table.insert(handles, {handle, face})
+            end
+        end
+
+        boundingBoxChangedEvent = selection.box:changed(updateHandles)
+        updateHandles()
     end,
 
     deactivate = function ()
-    	print("tool deactivated")
+        if settingsGui then
+            settingsGui:destroy()
+            settingsGui = nil
+        end
+
+        if boundingBoxChangedEvent then
+            boundingBoxChangedEvent:disconnect()
+            boundingBoxChangedEvent = nil
+        end
+
+        if gridGuideline then
+            gridGuideline:destroy()
+            gridGuideline = nil
+        end
+
+        if handles then
+            for _,v in pairs(handles) do
+                v[1]:destroy()
+            end
+            handles = nil
+        end
     end
 }