noise – ページ 164 – プログラミング de 落描き

2021年8月2日2021年8月2日

Limit destination. Draw by openFrameworks

[ Video ]

[ About ]
円の内側に限定する。
移動先が中心から一定距離以下であれば、ノイズ関数のパラメータを進める。

Limit to inside the circle.
If the destination is less than a certain distance from the center, advance the parameters of the noise function.

[ Source ]

#pragma once
#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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	float radius;

	vector<glm::vec2> base_location_list;
	vector<vector<glm::vec3>> log_list;
};

#pragma once

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

float radius;

vector<glm::vec2> base_location_list;

vector<vector<glm::vec3>> log_list;

};

#include "ofApp.h"	

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(0);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);
	ofNoFill();

	this->radius = 200;
	for (float deg = 0; deg < 360; deg += 1.5) {

		auto location = glm::vec2(this->radius * cos(deg * DEG_TO_RAD), this->radius * sin(deg * DEG_TO_RAD));
		this->base_location_list.push_back(location);
	}
}

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

	this->log_list.clear();

	for (int i = 0; i < this->base_location_list.size(); i++) {

		vector<glm::vec3> log;
		log.push_back(glm::vec3(this->base_location_list[i], 0));
		this->log_list.push_back(log);
	}

	int step = 1;
	for (int i = 0; i < this->log_list.size(); i++) {

		int k = 0;
		while (this->log_list[i].size() < 330) {

			auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.015, (ofGetFrameNum() + k) * 0.005)), 0, 1, -360, 360);
			auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));
			
			if (glm::length(next) < this->radius) {

				this->log_list[i].push_back(next);
			}

			k++;
		}
	}
}

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

	ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

	ofSetColor(139);
	for (int i = 0; i < this->log_list.size(); i++) {

		ofBeginShape();
		ofVertices(this->log_list[i]);
		ofEndShape();
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(0);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

ofNoFill();

this->radius = 200;

for (float deg = 0; deg < 360; deg += 1.5) {

auto location = glm::vec2(this->radius * cos(deg * DEG_TO_RAD), this->radius * sin(deg * DEG_TO_RAD));

this->base_location_list.push_back(location);

}

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

void ofApp::update() {

this->log_list.clear();

for (int i = 0; i < this->base_location_list.size(); i++) {

vector<glm::vec3> log;

log.push_back(glm::vec3(this->base_location_list[i], 0));

this->log_list.push_back(log);

}

int step = 1;

for (int i = 0; i < this->log_list.size(); i++) {

int k = 0;

while (this->log_list[i].size() < 330) {

auto deg = ofMap(ofNoise(glm::vec4(this->log_list[i].back() * 0.015, (ofGetFrameNum() + k) * 0.005)), 0, 1, -360, 360);

auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

if (glm::length(next) < this->radius) {

this->log_list[i].push_back(next);

}

k++;

}

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

void ofApp::draw() {

ofTranslate(ofGetWidth() * 0.5, ofGetHeight() * 0.5);

ofSetColor(139);

for (int i = 0; i < this->log_list.size(); i++) {

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210802

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2021年7月31日2021年7月31日

Looking into the box. Draw by openFrameworks

[ Video ]

[ About ]
箱の中にランダムウォークを閉じ込めて隙間から除く。

Trapping random walkers in a box and excluding them from the gap.

[ Source ]

#pragma once
#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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	glm::vec2 make_point(int len, int param);
	void add_panel(vector<glm::vec3> vertices);

	ofEasyCam cam;

	ofMesh face, line, walker;
	vector<glm::vec3> base_location_list;
};

#pragma once

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

glm::vec2 make_point(int len, int param);

void add_panel(vector<glm::vec3> vertices);

ofEasyCam cam;

ofMesh face, line, walker;

vector<glm::vec3> base_location_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();

	this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	this->walker.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	this->base_location_list = vector<glm::vec3>{
		glm::vec3(-300, -300, -300), glm::vec3(300, -300, -300),
		glm::vec3(-300, -300, 300), glm::vec3(300, -300, 300),
		glm::vec3(-300, 300, -300), glm::vec3(300, 300, -300),
		glm::vec3(-300, 300, 300), glm::vec3(300, 300, 300),
	};
}

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

	ofSeedRandom(39);

	this->face.clear();
	this->line.clear();
	this->walker.clear();

	vector<ofColor> base_color_list;
	ofColor color;
	vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };
	for (auto hex : hex_list) {

		color.setHex(hex);
		base_color_list.push_back(color);
	}

	int len = 300;
	int size = 15;

	for (int i = 0; i < this->base_location_list.size(); i++) {

		auto base_location = this->base_location_list[i];
		auto noise_param = ofRandom(1000);

		for (int s_1 = len * -0.5; s_1 <= len * 0.5; s_1 += size) {

			for (int s_2 = len * -0.5; s_2 <= len * 0.5; s_2 += size) {

				vector<glm::vec3> vertices;
				auto p = (len + size) * 0.5;

				vertices.clear();
				vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 - size * 0.5));
				vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 - size * 0.5));
				vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 + size * 0.5));
				vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 + size * 0.5));

				auto noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01);
				auto add = 0;
				if (noise_value > 0.5) {

					add = ofMap(noise_value, 0.5, 1, 0, size * 5);
				}
				for (auto& vertex : vertices) {

					vertex.x += add;
					vertex += base_location;
				}

				this->add_panel(vertices);

				vertices.clear();
				vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 - size * 0.5));
				vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 - size * 0.5));
				vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 + size * 0.5));
				vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 + size * 0.5));

				noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01);
				add = 0;
				if (noise_value > 0.5) {

					add = ofMap(noise_value, 0.5, 1, 0, size * 5);
				}
				for (auto& vertex : vertices) {

					vertex.x -= add;
					vertex += base_location;
				}

				this->add_panel(vertices);

				vertices.clear();
				vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 - size * 0.5));
				vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 - size * 0.5));
				vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 + size * 0.5));
				vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 + size * 0.5));

				noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01);
				add = 0;
				if (noise_value > 0.5) {

					add = ofMap(noise_value, 0.5, 1, 0, size * 5);
				}
				for (auto& vertex : vertices) {

					vertex.y += add;
					vertex += base_location;
				}

				this->add_panel(vertices);

				vertices.clear();
				vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 - size * 0.5));
				vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 - size * 0.5));
				vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 + size * 0.5));
				vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 + size * 0.5));

				noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01);
				add = 0;
				if (noise_value > 0.5) {

					add = ofMap(noise_value, 0.5, 1, 0, size * 5);
				}
				for (auto& vertex : vertices) {

					vertex.y -= add;
					vertex += base_location;
				}

				this->add_panel(vertices);

				vertices.clear();
				vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, p));
				vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, p));
				vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, p));
				vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, p));

				noise_value = ofNoise(s_1 * 0.003, s_2 * 0.003, p * 0.003, noise_param + ofGetFrameNum() * 0.01);
				add = 0;
				if (noise_value > 0.5) {

					add = ofMap(noise_value, 0.5, 1, 0, size * 5);
				}
				for (auto& vertex : vertices) {

					vertex.z += add;
					vertex += base_location;
				}

				this->add_panel(vertices);

				vertices.clear();
				vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, -p));
				vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, -p));
				vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, -p));
				vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, -p));

				noise_value = ofNoise(s_1 * 0.003, s_2 * 0.003, p * 0.003, noise_param + ofGetFrameNum() * 0.01);
				add = 0;
				if (noise_value > 0.5) {

					add = ofMap(noise_value, 0.5, 1, 0, size * 5);
				}
				for (auto& vertex : vertices) {

					vertex.z -= add;
					vertex += base_location;
				}

				this->add_panel(vertices);
			}
		}

		int color_index = 0;
		for (int k = 0; k < 10; k++) {

			this->walker.addVertex(this->base_location_list[i] + glm::vec3(
				ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -100, 100),
				ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -100, 100),
				ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -100, 100)
			));

			this->walker.addColor(base_color_list[color_index]);
			color_index = (color_index + 1) % base_color_list.size();
		}
	}

	/*
	for (int k = 0; k < this->walker.getNumVertices(); k++) {

		for (int m = k + 1; m < this->walker.getNumVertices(); m++) {

			if (glm::distance(this->walker.getVertex(k), this->walker.getVertex(m)) < 30) {

				this->walker.addIndex(k);
				this->walker.addIndex(m);
			}
		}
	}
	*/
}

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

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.37);
	ofRotateY(ofGetFrameNum() * 0.72);

	ofSetColor(239);
	this->face.draw();

	ofSetColor(39);
	this->line.drawWireframe();

	for (int i = 0; i < this->walker.getNumVertices(); i++) {

		ofSetColor(this->walker.getColor(i));
		ofDrawSphere(this->walker.getVertex(i), 30);
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::add_panel(vector<glm::vec3> vertices) {

	this->face.addVertices(vertices);

	this->face.addIndex(this->face.getNumVertices() - 4); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 2);
	this->face.addIndex(this->face.getNumVertices() - 4); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 1);

	this->line.addVertices(vertices);

	this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 3);
	this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 2);
	this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 1);
	this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4);
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

this->line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

this->walker.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

this->base_location_list = vector<glm::vec3>{

glm::vec3(-300, -300, -300), glm::vec3(300, -300, -300),

glm::vec3(-300, -300, 300), glm::vec3(300, -300, 300),

glm::vec3(-300, 300, -300), glm::vec3(300, 300, -300),

glm::vec3(-300, 300, 300), glm::vec3(300, 300, 300),

};

}

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

void ofApp::update() {

ofSeedRandom(39);

this->face.clear();

this->line.clear();

this->walker.clear();

vector<ofColor> base_color_list;

ofColor color;

vector<int> hex_list = { 0xef476f, 0xffd166, 0x06d6a0, 0x118ab2, 0x073b4c };

for (auto hex : hex_list) {

color.setHex(hex);

base_color_list.push_back(color);

}

int len = 300;

int size = 15;

for (int i = 0; i < this->base_location_list.size(); i++) {

auto base_location = this->base_location_list[i];

auto noise_param = ofRandom(1000);

for (int s_1 = len * -0.5; s_1 <= len * 0.5; s_1 += size) {

for (int s_2 = len * -0.5; s_2 <= len * 0.5; s_2 += size) {

vector<glm::vec3> vertices;

auto p = (len + size) * 0.5;

vertices.clear();

vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 + size * 0.5));

vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 + size * 0.5));

auto noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01);

auto add = 0;

if (noise_value > 0.5) {

add = ofMap(noise_value, 0.5, 1, 0, size * 5);

}

for (auto& vertex : vertices) {

vertex.x += add;

vertex += base_location;

}

this->add_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 + size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 + size * 0.5));

noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.5) {

add = ofMap(noise_value, 0.5, 1, 0, size * 5);

}

for (auto& vertex : vertices) {

vertex.x -= add;

vertex += base_location;

}

this->add_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 + size * 0.5));

vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 + size * 0.5));

noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.5) {

add = ofMap(noise_value, 0.5, 1, 0, size * 5);

}

for (auto& vertex : vertices) {

vertex.y += add;

vertex += base_location;

}

this->add_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 + size * 0.5));

vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 + size * 0.5));

noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, noise_param + ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.5) {

add = ofMap(noise_value, 0.5, 1, 0, size * 5);

}

for (auto& vertex : vertices) {

vertex.y -= add;

vertex += base_location;

}

this->add_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, p));

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, p));

noise_value = ofNoise(s_1 * 0.003, s_2 * 0.003, p * 0.003, noise_param + ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.5) {

add = ofMap(noise_value, 0.5, 1, 0, size * 5);

}

for (auto& vertex : vertices) {

vertex.z += add;

vertex += base_location;

}

this->add_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, -p));

noise_value = ofNoise(s_1 * 0.003, s_2 * 0.003, p * 0.003, noise_param + ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.5) {

add = ofMap(noise_value, 0.5, 1, 0, size * 5);

}

for (auto& vertex : vertices) {

vertex.z -= add;

vertex += base_location;

}

this->add_panel(vertices);

}

int color_index = 0;

for (int k = 0; k < 10; k++) {

this->walker.addVertex(this->base_location_list[i] + glm::vec3(

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -100, 100),

ofMap(ofNoise(ofRandom(1000), ofGetFrameNum() * 0.005), 0, 1, -100, 100)

));

this->walker.addColor(base_color_list[color_index]);

color_index = (color_index + 1) % base_color_list.size();

}

for (int k = 0; k < this->walker.getNumVertices(); k++) {

for (int m = k + 1; m < this->walker.getNumVertices(); m++) {

if (glm::distance(this->walker.getVertex(k), this->walker.getVertex(m)) < 30) {

this->walker.addIndex(k);

this->walker.addIndex(m);

}

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

void ofApp::draw() {

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.37);

ofRotateY(ofGetFrameNum() * 0.72);

ofSetColor(239);

this->face.draw();

ofSetColor(39);

this->line.drawWireframe();

for (int i = 0; i < this->walker.getNumVertices(); i++) {

ofSetColor(this->walker.getColor(i));

ofDrawSphere(this->walker.getVertex(i), 30);

}

this->cam.end();

}

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

void ofApp::add_panel(vector<glm::vec3> vertices) {

this->face.addVertices(vertices);

this->face.addIndex(this->face.getNumVertices() - 4); this->face.addIndex(this->face.getNumVertices() - 3); this->face.addIndex(this->face.getNumVertices() - 2);

this->face.addIndex(this->face.getNumVertices() - 4); this->face.addIndex(this->face.getNumVertices() - 2); this->face.addIndex(this->face.getNumVertices() - 1);

this->line.addVertices(vertices);

this->line.addIndex(this->line.getNumVertices() - 4); this->line.addIndex(this->line.getNumVertices() - 3);

this->line.addIndex(this->line.getNumVertices() - 3); this->line.addIndex(this->line.getNumVertices() - 2);

this->line.addIndex(this->line.getNumVertices() - 2); this->line.addIndex(this->line.getNumVertices() - 1);

this->line.addIndex(this->line.getNumVertices() - 1); this->line.addIndex(this->line.getNumVertices() - 4);

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210731

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2021年7月28日2021年7月28日

Box with a gap. Draw by openFrameworks

[ Video ]

[ About ]
複数の面をノイズ関数で動かす。

Moving Multiple Surfaces with Noise Functions.

[ Source ]

#pragma once
#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 windowResized(int w, int h) {};
	void dragEvent(ofDragInfo dragInfo) {};
	void gotMessage(ofMessage msg) {};

	glm::vec2 make_point(int len, int param);
	void draw_panel(vector<glm::vec3> vertices);

	ofEasyCam cam;
};

#pragma once

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

void dragEvent(ofDragInfo dragInfo) {};

void gotMessage(ofMessage msg) {};

glm::vec2 make_point(int len, int param);

void draw_panel(vector<glm::vec3> vertices);

ofEasyCam cam;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

}

//--------------------------------------------------------------
void ofApp::draw() {
	
	int len = 300;
	int size = 60;

	this->cam.begin();
	ofRotateX(ofGetFrameNum() * 0.37);
	ofRotateY(ofGetFrameNum() * 0.72);
	
	for (int s_1 = len * -0.5; s_1 <= len * 0.5; s_1 += size) {

		for (int s_2 = len * -0.5; s_2 <= len * 0.5; s_2 += size) {

			vector<glm::vec3> vertices;
			auto p = (len + size) * 0.5;

			vertices.clear();
			vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 + size * 0.5));
			
			auto noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);
			auto add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.x += add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 + size * 0.5));

			noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.x -= add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 + size * 0.5));

			noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.y += add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 - size * 0.5));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 + size * 0.5));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 + size * 0.5));

			noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.y -= add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, p));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, p));

			noise_value = ofNoise(s_1 * 0.003, s_2* 0.003, p * 0.003, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.z += add;
			}

			this->draw_panel(vertices);

			vertices.clear();
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, -p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, -p));
			vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, -p));
			vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, -p));

			noise_value = ofNoise(s_1 * 0.003, s_2 * 0.003, p * 0.003, ofGetFrameNum() * 0.01);
			add = 0;
			if (noise_value > 0.65) {

				add = ofMap(noise_value, 0.65, 1, 0, size * 2);
			}
			for (auto& vertex : vertices) {

				vertex.z -= add;
			}

			this->draw_panel(vertices);
		}
	}

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::draw_panel(vector<glm::vec3> vertices) {

	ofMesh face, line;
	face.addVertices(vertices);

	face.addIndex(0); face.addIndex(1); face.addIndex(2);
	face.addIndex(0); face.addIndex(2); face.addIndex(3);

	ofSetColor(239);
	face.draw();

	line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);
	line.addVertices(vertices);

	line.addIndex(0); line.addIndex(1);
	line.addIndex(1); line.addIndex(2);
	line.addIndex(2); line.addIndex(3);
	line.addIndex(3); line.addIndex(0);

	ofSetColor(39);
	line.drawWireframe();
}

//--------------------------------------------------------------
glm::vec2 ofApp::make_point(int len, int param) {

	param = param % 100;
	if (param < 25) {

		return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);
	}
	else if (param < 50) {

		return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));
	}
	else if (param < 75) {

		return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);
	}
	else {

		return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));
	}
}

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

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

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#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

int len = 300;

int size = 60;

this->cam.begin();

ofRotateX(ofGetFrameNum() * 0.37);

ofRotateY(ofGetFrameNum() * 0.72);

for (int s_1 = len * -0.5; s_1 <= len * 0.5; s_1 += size) {

for (int s_2 = len * -0.5; s_2 <= len * 0.5; s_2 += size) {

vector<glm::vec3> vertices;

auto p = (len + size) * 0.5;

vertices.clear();

vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(p, s_1 + size * 0.5, s_2 + size * 0.5));

vertices.push_back(glm::vec3(p, s_1 - size * 0.5, s_2 + size * 0.5));

auto noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);

auto add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.x += add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 - size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 + size * 0.5, s_2 + size * 0.5));

vertices.push_back(glm::vec3(-p, s_1 - size * 0.5, s_2 + size * 0.5));

noise_value = ofNoise(p * 0.003, s_1 * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.x -= add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, p, s_2 + size * 0.5));

vertices.push_back(glm::vec3(s_1 - size * 0.5, p, s_2 + size * 0.5));

noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.y += add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 - size * 0.5));

vertices.push_back(glm::vec3(s_1 + size * 0.5, -p, s_2 + size * 0.5));

vertices.push_back(glm::vec3(s_1 - size * 0.5, -p, s_2 + size * 0.5));

noise_value = ofNoise(s_1 * 0.003, p * 0.003, s_2 * 0.003, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.y -= add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, p));

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, p));

noise_value = ofNoise(s_1 * 0.003, s_2* 0.003, p * 0.003, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.z += add;

}

this->draw_panel(vertices);

vertices.clear();

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 - size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 - size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 + size * 0.5, s_2 + size * 0.5, -p));

vertices.push_back(glm::vec3(s_1 - size * 0.5, s_2 + size * 0.5, -p));

noise_value = ofNoise(s_1 * 0.003, s_2 * 0.003, p * 0.003, ofGetFrameNum() * 0.01);

add = 0;

if (noise_value > 0.65) {

add = ofMap(noise_value, 0.65, 1, 0, size * 2);

}

for (auto& vertex : vertices) {

vertex.z -= add;

}

this->draw_panel(vertices);

}

this->cam.end();

}

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

void ofApp::draw_panel(vector<glm::vec3> vertices) {

ofMesh face, line;

face.addVertices(vertices);

face.addIndex(0); face.addIndex(1); face.addIndex(2);

face.addIndex(0); face.addIndex(2); face.addIndex(3);

ofSetColor(239);

face.draw();

line.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

line.addVertices(vertices);

line.addIndex(0); line.addIndex(1);

line.addIndex(1); line.addIndex(2);

line.addIndex(2); line.addIndex(3);

line.addIndex(3); line.addIndex(0);

ofSetColor(39);

line.drawWireframe();

}

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

glm::vec2 ofApp::make_point(int len, int param) {

param = param % 100;

if (param < 25) {

return glm::vec2(ofMap(param, 0, 25, -len * 0.5, len * 0.5), -len * 0.5);

}

else if (param < 50) {

return glm::vec2(len * 0.5, ofMap(param, 25, 50, -len * 0.5, len * 0.5));

}

else if (param < 75) {

return glm::vec2(ofMap(param, 50, 75, len * 0.5, -len * 0.5), len * 0.5);

}

else {

return glm::vec2(-len * 0.5, ofMap(param, 75, 100, len * 0.5, -len * 0.5));

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20210728

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