Tilt the X-shape by 15 degrees. Draw by openFrameworks – プログラミング de 落描き

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Xを15度傾ける

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#include "ofMain.h"

class ofApp : public ofBaseApp {

public:
	void setup();
	void update();
	void draw();

	void keyPressed(int key) {};
	void keyReleased(int key) {};
	void mouseMoved(int x, int y) {};
	void mouseDragged(int x, int y, int button) {};
	void mousePressed(int x, int y, int button) {};
	void mouseReleased(int x, int y, int button) {};
	void mouseEntered(int x, int y) {};
	void mouseExited(int x, int y) {};
	void windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};
};

#include "ofMain.h"

class ofApp : public ofBaseApp {

public:

void setup();

void update();

void draw();

void keyPressed(int key) {};

void keyReleased(int key) {};

void mouseMoved(int x, int y) {};

void mouseDragged(int x, int y, int button) {};

void mousePressed(int x, int y, int button) {};

void mouseReleased(int x, int y, int button) {};

void mouseEntered(int x, int y) {};

void mouseExited(int x, int y) {};

void windowResized(int w, int h) {};

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

};

#include "ofApp.h"

//--------------------------------------------------------------
void ofApp::setup() {

	ofSetFrameRate(30);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofSetColor(255);
	ofSetLineWidth(2);
}

//--------------------------------------------------------------
void ofApp::update() {

	ofSeedRandom(39);
}

//--------------------------------------------------------------
void ofApp::draw() {

	ofTranslate(ofGetWindowSize() * 0.5);

	for (int x = -300; x <= 300; x += 30) {

		for (int y = -300; y <= 300; y += 30) {

			ofPushMatrix();
			ofTranslate(x, y);
			ofRotate(15);

			auto noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.01);
			noise_value = noise_value < 0.45 ? 0.1 : ofMap(noise_value, 0.45, 1, 0.1, 1);
			auto radius = ofMap(noise_value, 0, 1, 0, 45);

			vector<glm::vec2> vertices;
			vertices.push_back(glm::vec2(radius * cos(45 * DEG_TO_RAD), radius * sin(45 * DEG_TO_RAD)));
			vertices.push_back(glm::vec2(radius * cos(225 * DEG_TO_RAD), radius * sin(225 * DEG_TO_RAD)));
			vertices.push_back(glm::vec2(radius * cos(135 * DEG_TO_RAD), radius * sin(135 * DEG_TO_RAD)));
			vertices.push_back(glm::vec2(radius * cos(315 * DEG_TO_RAD), radius * sin(315 * DEG_TO_RAD)));

			ofDrawLine(vertices[0], vertices[1]);
			ofDrawLine(vertices[2], vertices[3]);

			ofPopMatrix();
		}
	}
}

//--------------------------------------------------------------
int main() {

	ofSetupOpenGL(720, 720, OF_WINDOW);
	ofRunApp(new ofApp());
}

#include "ofApp.h"

//--------------------------------------------------------------

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofSetColor(255);

ofSetLineWidth(2);

}

//--------------------------------------------------------------

void ofApp::update() {

ofSeedRandom(39);

}

//--------------------------------------------------------------

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

for (int x = -300; x <= 300; x += 30) {

for (int y = -300; y <= 300; y += 30) {

ofPushMatrix();

ofTranslate(x, y);

ofRotate(15);

auto noise_value = ofNoise(x * 0.005, y * 0.005, ofGetFrameNum() * 0.01);

noise_value = noise_value < 0.45 ? 0.1 : ofMap(noise_value, 0.45, 1, 0.1, 1);

auto radius = ofMap(noise_value, 0, 1, 0, 45);

vector<glm::vec2> vertices;

vertices.push_back(glm::vec2(radius * cos(45 * DEG_TO_RAD), radius * sin(45 * DEG_TO_RAD)));

vertices.push_back(glm::vec2(radius * cos(225 * DEG_TO_RAD), radius * sin(225 * DEG_TO_RAD)));

vertices.push_back(glm::vec2(radius * cos(135 * DEG_TO_RAD), radius * sin(135 * DEG_TO_RAD)));

vertices.push_back(glm::vec2(radius * cos(315 * DEG_TO_RAD), radius * sin(315 * DEG_TO_RAD)));

ofDrawLine(vertices[0], vertices[1]);

ofDrawLine(vertices[2], vertices[3]);

ofPopMatrix();

}

//--------------------------------------------------------------

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20230322

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