141 lines
3.3 KiB
C++
141 lines
3.3 KiB
C++
#ifndef PORTAL_H_
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#define PORTAL_H_
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#include "LevelObject.h"
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#include "Polygon.h"
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#include "VertexProvider.h"
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#include "LevelVertex.h"
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#include <math.h>
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class Portal : public LevelObject, public VertexProvider {
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private:
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float width, height, thickness;
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Vertex pos;
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float orient;
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Vertex vertices[4];
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float s, c;
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bool connected[4];
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void updateVertices() {
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float x = width/2*c;
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float y = width/2*s;
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float ts = thickness/2*s;
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float tc = thickness/2*c;
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vertices[0].setLocation(pos.getX()-x-ts, pos.getY()-y+tc);
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vertices[1].setLocation(pos.getX()-x+ts, pos.getY()-y-tc);
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vertices[2].setLocation(pos.getX()+x+ts, pos.getY()+y-tc);
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vertices[3].setLocation(pos.getX()+x-ts, pos.getY()+y+tc);
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}
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void updateOrient() {
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s = sinf(orient);
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c = cosf(orient);
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updateVertices();
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}
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Polygon createPolygon() const {
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Polygon p;
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for(int i = 0; i < 4; i++)
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p.push_back(vertices[i]);
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return p;
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}
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public:
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Portal(float width, float height, float thickness) {
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this->width = width;
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this->height = height;
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this->thickness = thickness;
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orient = 0;
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for(int i = 0; i < 4; i++) {
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connected[i] = false;
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}
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updateOrient();
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}
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float getWidth() const {return width;}
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float getHeight() const {return height;}
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float getThickness() const {return thickness;}
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const Vertex& getPosition() const {return pos;}
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void setPosition(Vertex v) {pos = v; updateVertices();}
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float getOrientation() const {return orient;}
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void setOrientation(float orient) {this->orient = orient; updateOrient();}
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virtual std::vector<SharedPtr<LevelObject> > getChildren() {
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std::vector<SharedPtr<LevelObject> > children;
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for(size_t i = 0; i < 4; i++)
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children.push_back(SharedPtr<LevelObject>(new LevelVertex(this, i, this)));
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return children;
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}
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virtual bool hit(const Vertex &v) const {return createPolygon().contains(v);}
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virtual int getPriority() const {return 1;}
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virtual const char* getType() const {
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return "Portal";
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}
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virtual void move(float x, float y) {
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pos += Vertex(x, y);
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updateVertices();
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}
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virtual void rotate(Vertex m, float a) {
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orient = fmodf(orient+a, 2*M_PI);
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s = sinf(a);
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c = cosf(a);
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pos -= m;
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pos.setLocation(c*pos.getX() - s*pos.getY(), c*pos.getY() + s*pos.getX());
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pos += m;
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updateOrient();
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}
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virtual const Vertex* getVertex(size_t id) const {
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return &vertices[id];
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}
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virtual size_t getVertexCount() const {
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return 1;
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}
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virtual bool canMove() const {return true;}
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virtual void moveVertex(size_t id, float x, float y) {
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move(x, y);
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}
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virtual bool canRotate() const {return true;}
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virtual void rotateVertex(size_t id, Vertex m, float a) {
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rotate(m, a);
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}
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virtual bool canConnectVertex(size_t id) const {
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return !connected[id];
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}
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virtual size_t connectVertex(size_t id) {
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connected[id] = true;
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connected[(7-id)%4] = true;
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return (7-id)%4;
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}
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};
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#endif /*PORTAL_H_*/
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