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#include "ToolRotate.h"
#include <GL/gl.h>
ToolRotate::ToolRotate(EditManager *editManager) : Renderer(editManager), sidebar(editManager) {
this->editManager = editManager;
pressed = false;
image = gtk_image_new_from_stock(GTK_STOCK_MISSING_IMAGE, GTK_ICON_SIZE_BUTTON);
g_object_ref_sink(G_OBJECT(image));
}
ToolRotate::~ToolRotate() {
g_object_unref(G_OBJECT(image));
}
void ToolRotate::activate() {
pressed = false;
editManager->setSelectedObject(NULL);
}
bool ToolRotate::buttonPress(unsigned int button, const Vertex *v) {
if(button != 1 || !editManager->getHoveredObject())
return false;
pressed = true;
valid = false;
vertexRot = vertex = *v;
editManager->setSelectedObject(editManager->getHoveredObject());
editManager->redraw();
sidebar.update();
return true;
}
bool ToolRotate::buttonRelease(unsigned int button, const Vertex *v) {
if(button != 1)
return false;
pressed = false;
editManager->setSelectedObject(NULL);
editManager->redraw();
sidebar.update();
return true;
}
bool ToolRotate::motion(const Vertex *v, float scale) {
if(!pressed)
return false;
if(!v)
return false;
vertex = *v;
float a = atan2((vertex-vertexRot).getY(), (vertex-vertexRot).getX());
if(vertexRot.distanceSq(vertex) > (10*10)/(scale*scale)) {
if(valid)
editManager->getSelectedObject()->rotate(vertexRot, a-angle);
else
valid = true;
}
else
valid = false;
angle = a;
return false;
}
void ToolRotate::render(const Level &level, const Rectangle &rect, float scale) {
Renderer::render(level, rect, scale);
if(pressed && valid) {
glLineWidth(1.0f);
glColor4f(1.0f, 1.0f, 1.0f, 0.7f);
drawCircleDotted(vertexRot, vertexRot.distance(vertex), 64, 16, angle);
glLineWidth(2.0f);
glBegin(GL_LINES);
glVertex2f(vertexRot.getX(), vertexRot.getY());
glVertex2f(vertex.getX(), vertex.getY());
glEnd();
}
}
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