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Use the built-in laser pointer for magicleap

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asajeffrey committed Aug 12, 2019
1 parent 9b4b022 commit 4709a3061d96d661040e56b9af3035493bdc8793
@@ -2,9 +2,9 @@
<mlproject:mlproject xmlns:mlproject="http://www.magicleap.com/uidesigner/mlproject" generated="true" srcGenVersion="1">
<designFile path="scenes/Servo2D.design"/>
<pipelineDirectory path="pipeline"/>
<preferences key="srcgen.directories.incgen" value="inc.gen"/>
<preferences key="srcgen.directories.src" value="src"/>
<preferences key="srcgen.directories.srcgen" value="src.gen"/>
<preferences key="srcgen.directories.basedir" value="code"/>
<preferences key="srcgen.directories.inc" value="inc"/>
<preferences key="srcgen.directories.incgen" value="inc.gen"/>
<preferences key="srcgen.directories.srcgen" value="src.gen"/>
</mlproject:mlproject>
@@ -24,7 +24,6 @@
#include <SpawnedSceneBase.h>
#include <SpawnedSceneHandlers.h>

#include <lumin/node/LineNode.h>
#include <lumin/node/QuadNode.h>
#include <lumin/ui/node/UiButton.h>
#include <lumin/ui/node/UiPanel.h>
@@ -40,7 +39,6 @@ namespace scenes {
extern const std::string backButton;
extern const std::string fwdButton;
extern const std::string urlBar;
extern const std::string laser;
}

struct SpawnedScene : public SpawnedSceneBase {
@@ -51,7 +49,6 @@ namespace scenes {
lumin::ui::UiButton* backButton;
lumin::ui::UiButton* fwdButton;
lumin::ui::UiTextEdit* urlBar;
lumin::LineNode* laser;
};

SpawnedSceneBase* createSpawnedScene(const SceneDescriptor& sceneDescriptor, lumin::Node* root);
@@ -124,9 +124,10 @@ class Servo2D : public lumin::LandscapeApp {
bool pointInsideViewport(glm::vec2 pt);

/**
* Redraw the laser. Returns the laser endpoint, in viewport coordinates.
* Returns the intersection of the laser and the viewport, in viewport coordinates.
* Returns (-1, -1) if the laser does not intersect the viewport.
*/
glm::vec2 redrawLaser();
glm::vec2 laserPosition();

private:
lumin::Prism* prism_ = nullptr; // represents the bounded space where the App renders.
@@ -34,7 +34,6 @@ namespace scenes {
backButton = lumin::ui::UiButton::CastFrom(root->findChild(externalNodes::backButton));
fwdButton = lumin::ui::UiButton::CastFrom(root->findChild(externalNodes::fwdButton));
urlBar = lumin::ui::UiTextEdit::CastFrom(root->findChild(externalNodes::urlBar));
laser = lumin::LineNode::CastFrom(root->findChild(externalNodes::laser));
}

SpawnedScene::~SpawnedScene() {
@@ -73,10 +72,6 @@ namespace scenes {
urlBarHandlers(SpawnedScene& ss);
};
urlBarHandlers urlBarHandlers_;
struct laserHandlers {
laserHandlers(SpawnedScene& ss);
};
laserHandlers laserHandlers_;
};

Handlers::contentPanelHandlers::contentPanelHandlers(SpawnedScene& ss)
@@ -94,18 +89,14 @@ namespace scenes {
Handlers::urlBarHandlers::urlBarHandlers(SpawnedScene& ss)
{
}
Handlers::laserHandlers::laserHandlers(SpawnedScene& ss)
{
}

Handlers::Handlers(SpawnedScene& ss)
: SpawnedSceneHandlers(ss),
contentPanelHandlers_(ss),
contentHandlers_(ss),
backButtonHandlers_(ss),
fwdButtonHandlers_(ss),
urlBarHandlers_(ss),
laserHandlers_(ss)
urlBarHandlers_(ss)
{
}

@@ -33,16 +33,14 @@ namespace scenes {
extern const std::string backButton = "backButton";
extern const std::string fwdButton = "fwdButton";
extern const std::string urlBar = "urlBar";
extern const std::string laser = "laser";
}

const SceneDescriptor::ExternalNodeReferences externalNodesMap = {
{"contentPanel", externalNodes::contentPanel},
{"content", externalNodes::content},
{"backButton", externalNodes::backButton},
{"fwdButton", externalNodes::fwdButton},
{"urlBar", externalNodes::urlBar},
{"laser", externalNodes::laser}
{"urlBar", externalNodes::urlBar}
};

const SceneDescriptor descriptor(
@@ -25,9 +25,9 @@ const int VIEWPORT_H = 500;
const float HIDPI = 1.0;

// The prism dimensions (in m).
const float PRISM_W = 2.0;
const float PRISM_W = 0.75;
const float PRISM_H = 0.75;
const float PRISM_D = 2.0;
const float PRISM_D = 0.05;

// The length of the laser pointer (in m).
const float LASER_LENGTH = 10.0;
@@ -226,14 +226,6 @@ int Servo2D::init() {
url_bar_->setKeyboardProperties(keyboard_properties);
url_bar_->onFocusLostSub(std::bind(&Servo2D::urlBarEventListener, this));

// Add the laser pointer
laser_ = lumin::LineNode::CastFrom(prism_->findNode(scenes::Servo2D::externalNodes::laser, root_node));
if (!laser_) {
ML_LOG(Error, "Servo2D Failed to get laser");
abort();
return 1;
}

return 0;
}

@@ -264,7 +256,7 @@ void Servo2D::spawnInitialScenes() {
}

bool Servo2D::updateLoop(float fDelta) {
glm::vec2 pos = redrawLaser();
glm::vec2 pos = laserPosition();
move_servo(servo_, pos.x, pos.y);
heartbeat_servo(servo_);
return true;
@@ -311,7 +303,7 @@ bool Servo2D::pose6DofEventListener(lumin::ControlPose6DofInputEventData* event)
return false;
}

glm::vec2 Servo2D::redrawLaser() {
glm::vec2 Servo2D::laserPosition() {
// Return (-1, -1) if the laser doesn't intersect z=0
glm::vec2 result = glm::vec2(-1.0, -1.0);

@@ -333,18 +325,9 @@ glm::vec2 Servo2D::redrawLaser() {
float ratio = 1.0 / (1.0 - (endpoint.z / position.z));
// The intersection point
glm::vec3 intersection = ((1 - ratio) * position) + (ratio * endpoint);
// Is the intersection inside the viewport?
result = viewportPosition(intersection);
if (pointInsideViewport(result)) {
color = glm::vec4(0.0, 1.0, 0.0, 1.0);
endpoint = intersection;
}
}

laser_->clearPoints();
laser_->addPoints(position);
laser_->addPoints(endpoint);
laser_->setColor(color);
return result;
}

@@ -356,7 +339,7 @@ bool Servo2D::gestureEventListener(lumin::GestureInputEventData* event) {
}

// Only respond to trigger down if the laser is currently in the viewport
glm::vec2 pos = redrawLaser();
glm::vec2 pos = laserPosition();
if ((typ == lumin::input::GestureType::TriggerDown) && !pointInsideViewport(pos)) {
return false;
}
@@ -22,7 +22,7 @@
"lap/types/file/png"
]
},
"checkpoint-hash": "b1a5b4c3dfe7a6c0a3068dd837adfa07364f5016ddef9e6698090ba3544ccf921abba715182f372e25d65a9b6b13fdf11f12e436482cc3bace76f56876bd2251",
"checkpoint-hash": "729ed9ee48ecc992e1906080e20f43fdc3f3b2a4cd76cdfc2bc249bfca1d9403b967ed1a6805b0b8c0e46a0bfd3d71c0a6a00fd7da651beef65f7431b7b314b3",
"templates": [
"lap/template/passthru_material_from_kmat",
"lap/template/passthru_model_from_fbx",
@@ -4,6 +4,7 @@
<property id="sceneName" value="Servo2D"/>
<node name="contentPanel" nodeTypeId="lumin.ui.panel">
<property id="cursorInitialPosition"/>
<property id="cursorVisible" value="false"/>
<property id="edgeConstraint"/>
<property id="external" value="true"/>
<property id="gravityWellProperties">
@@ -152,23 +153,6 @@
<property id="width" value="0.6"/>
</node>
</node>
<node name="laser" nodeTypeId="lumin.line">
<property id="color" value="0 0 0 0"/>
<property id="external" value="true"/>
<property id="name" value="laser"/>
<property id="opaque" value="false"/>
<property id="points">
<property id="0"/>
<property id="1">
<property id="x" value="1.0"/>
<property id="y" value="1.0"/>
<property id="z" value="1.0"/>
</property>
</property>
<property id="position"/>
<property id="rotation"/>
<property id="scale"/>
</node>
<node name="bevel" nodeTypeId="lumin.quad">
<property id="color" value="0.4 0.302 0.702 1"/>
<property id="name" value="bevel"/>
@@ -1,6 +1,6 @@
<ObjectModel name="Servo2D" version="1">
<TransformNode/>
<UiPanel bottomEdgeConstraint="0.000000" gravityWellRoundness="0.000000" gravityWellSize="0.000000, 0.000000" gravityWellSnap="ClosestEdge" leftEdgeConstraint="0.000000" name="contentPanel" pos="0,0.06,0" rightEdgeConstraint="0.000000" shape="[size:[0.5,0.44], roundness: 0, offset:[0,0,0]]" topEdgeConstraint="0.000000">
<UiPanel bottomEdgeConstraint="0.000000" cursorVisible="false" gravityWellRoundness="0.000000" gravityWellSize="0.000000, 0.000000" gravityWellSnap="ClosestEdge" leftEdgeConstraint="0.000000" name="contentPanel" pos="0,0.06,0" rightEdgeConstraint="0.000000" shape="[size:[0.5,0.44], roundness: 0, offset:[0,0,0]]" topEdgeConstraint="0.000000">
<QuadNode castShadow="false" name="content" pos="-0.25,-0.22,-0" receiveShadow="false" shader="MAX" size="0.500000, 0.500000"/>
</UiPanel>
<UiLinearLayout alignment="Top, Center" gravityWellRoundness="0.000000" gravityWellSize="0.000000, 0.000000" gravityWellSnap="ClosestEdge" itemAlignment="Center, Left" itemPadding="0.000000, 0.010000, 0.000000, 0.010000" name="uiLinearLayout1" orientation="Horizontal" pos="0,-0.2,0" size="0.500000, 0.050000">
@@ -14,6 +14,5 @@
<UiTextEdit alignment="Center, Left" font="DefaultRes_Font_LominoUI_Rg" gravityWellRoundness="0.000000" gravityWellSize="0.000000, 0.000000" gravityWellSnap="ClosestEdge" name="urlBar" scrollSpeed="0.500000" size="0.600000, 0.050000" textSize="0.050000"/>
</Content>
</UiLinearLayout>
<LineNode castShadow="false" color="0,0,0,0" name="laser" opaque="false" points="0.000000, 0.000000, 0.000000, 1.000000, 1.000000, 1.000000" receiveShadow="false" shader="Line"/>
<QuadNode castShadow="false" color="0.1572062,0.09219654,0.4817875,1" name="bevel" pos="-0.26,-0.17,-0.01" receiveShadow="false" shader="MAX" size="0.520000, 0.520000"/>
</ObjectModel>

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