プログラミング de 落描き – ページ 4 – クリエイティブ・コーディングによる生成物とソース

2024年4月9日

Circles.

[ Video ]

[ About ]
さーくるず。

[ 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<ofColor> color_list;
	vector<vector<glm::vec2>> 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<ofColor> color_list;

vector<vector<glm::vec2>> log_list;

};

#include "ofApp.h"	

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openFrameworks");

	ofBackground(239);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);
	ofNoFill();

	this->radius = 320;
	ofColor color;
	for (int i = 0; i < 15; i++) {

		for (int deg = 0; deg < 360; deg += 1) {

			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);

			color.setHsb(ofMap(i, 0, 15, 0, 150), 255, 255, 100);
			this->color_list.push_back(color);
		}
	}
}

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

	this->log_list.clear();

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

		vector<glm::vec2> log;
		log.push_back(this->base_location_list[i]);
		this->log_list.push_back(log);
	}

	int step = 5;
	for (int i = 0; i < this->log_list.size(); i++) {

		int k = 0;
		while (true) {

			auto deg = ofMap(ofNoise(glm::vec4(this->color_list[i].getHue(), this->log_list[i].back() * 0.0005, ofGetFrameNum() * 0.01 + k * 0.003)), 0, 1, -90, 90);
			auto next = this->log_list[i].back() + glm::vec2(step * cos(deg * DEG_TO_RAD), step * sin(deg * DEG_TO_RAD));

			if (glm::distance(glm::vec2(0, 0), next) < this->radius) {

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

				break;
			}

			k++;
		}
	}
}

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

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

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

		ofRotate(2);

		if (glm::distance(this->log_list[i][0], this->log_list[i][this->log_list[i].size() - 1]) > this->radius * 1.25) {

			continue;
		}

		ofSetColor(this->color_list[i]);

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

	/*
	int start = 50;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

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

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

100

101

102

103

104

105

106

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openFrameworks");

ofBackground(239);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_SUBTRACT);

ofNoFill();

this->radius = 320;

ofColor color;

for (int i = 0; i < 15; i++) {

for (int deg = 0; deg < 360; deg += 1) {

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);

color.setHsb(ofMap(i, 0, 15, 0, 150), 255, 255, 100);

this->color_list.push_back(color);

}

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

void ofApp::update() {

this->log_list.clear();

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

vector<glm::vec2> log;

log.push_back(this->base_location_list[i]);

this->log_list.push_back(log);

}

int step = 5;

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

int k = 0;

while (true) {

auto deg = ofMap(ofNoise(glm::vec4(this->color_list[i].getHue(), this->log_list[i].back() * 0.0005, ofGetFrameNum() * 0.01 + k * 0.003)), 0, 1, -90, 90);

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

if (glm::distance(glm::vec2(0, 0), next) < this->radius) {

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

}

else {

break;

}

k++;

}

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

void ofApp::draw() {

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

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

ofRotate(2);

if (glm::distance(this->log_list[i][0], this->log_list[i][this->log_list[i].size() - 1]) > this->radius * 1.25) {

continue;

}

ofSetColor(this->color_list[i]);

ofBeginShape();

ofVertices(this->log_list[i]);

ofEndShape();

}

int start = 50;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20240409

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年4月8日

Fire works.

[ Video ]

[ About ]
花火大会。

[ 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);

	vector<glm::vec3> param_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);

vector<glm::vec3> param_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(39);
	ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

	for (int i = 0; i < 12; i++) {

		this->param_list.push_back(glm::vec3(100 + i * 0.01, 200 + i * 0.01, 300 + i * 0.01));
	}
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto len = 25;
	ofColor color;

	auto head_size = 7;
	for (int k = 0; k < this->param_list.size(); k++) {

		ofPushMatrix();

		ofMesh mesh;
		vector<glm::vec3> right, left;

		glm::vec3 last_location;
		float last_theta, last_radius;

		for (int i = 0; i < len; i++) {

			auto noise_deg = ofMap(ofNoise(this->param_list[k].x, (ofGetFrameNum() + i) * 0.003), 0, 1, -360, 360);
			auto noise_radius = ofMap(ofNoise(this->param_list[k].y, (ofGetFrameNum() + i) * 0.0085), 0, 1, -320, 320);
			auto next_noise_deg = ofMap(ofNoise(this->param_list[k].x, (ofGetFrameNum() + i + 1) * 0.003), 0, 1, -360, 360);
			auto next_noise_radius = ofMap(ofNoise(this->param_list[k].y, (ofGetFrameNum() + i + 1) * 0.0085), 0, 1, -320, 320);

			auto location = glm::vec3(noise_radius * cos(noise_deg * DEG_TO_RAD), noise_radius * sin(noise_deg * DEG_TO_RAD), 0);
			auto next = glm::vec3(next_noise_radius * cos(next_noise_deg * DEG_TO_RAD), next_noise_radius * sin(next_noise_deg * DEG_TO_RAD), 0);

			auto direction = next - location;
			auto theta = atan2(direction.y, direction.x);

			right.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta + PI * 0.5), ofMap(i, 0, 25, 0, head_size) * sin(theta + PI * 0.5), 0));
			left.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta - PI * 0.5), ofMap(i, 0, 25, 0, head_size) * sin(theta - PI * 0.5), 0));

			last_location = location;
			last_theta = theta;
			last_radius = noise_radius;
		}

		for (int i = 0; i < right.size(); i++) {

			color.setHsb(ofMap(k, 0, this->param_list.size(), 0, 255), 150, 255);

			mesh.addVertex(left[i]);
			mesh.addVertex(right[i]);

			mesh.addColor(color);
			mesh.addColor(color);
		}

		for (int i = 0; i < mesh.getNumVertices() - 2; i += 2) {

			mesh.addIndex(i + 0); mesh.addIndex(i + 1); mesh.addIndex(i + 3);
			mesh.addIndex(i + 0); mesh.addIndex(i + 2); mesh.addIndex(i + 3);
		}

		auto tmp_head_size = ofMap(mesh.getNumVertices() - 2, 0, mesh.getNumVertices(), 0, head_size);

		mesh.addVertex(last_location);
		mesh.addColor(color);
		int index = mesh.getNumVertices();
		for (auto theta = last_theta - PI * 0.5; theta <= last_theta + PI * 0.5; theta += PI / 20) {

			mesh.addVertex(last_location + glm::vec3(tmp_head_size * cos(theta), tmp_head_size * sin(theta), 0));
			mesh.addColor(color);
		}

		for (int i = index; i < mesh.getNumVertices() - 1; i++) {

			mesh.addIndex(index); mesh.addIndex(i + 0); mesh.addIndex(i + 1);
		}

		if (abs(last_radius) < 2) { this->param_list[k].z += 0.1; }


		int span = 4;
		int deg_span = 360 / span;
		for (int i = 0; i < span; i++) {

			ofRotate(deg_span);
			mesh.draw();
		}

		ofPopMatrix();
	}

	/*
	int start = 200;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

//--------------------------------------------------------------
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());
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(39);

ofEnableBlendMode(ofBlendMode::OF_BLENDMODE_ADD);

for (int i = 0; i < 12; i++) {

this->param_list.push_back(glm::vec3(100 + i * 0.01, 200 + i * 0.01, 300 + i * 0.01));

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto len = 25;

ofColor color;

auto head_size = 7;

for (int k = 0; k < this->param_list.size(); k++) {

ofPushMatrix();

ofMesh mesh;

vector<glm::vec3> right, left;

glm::vec3 last_location;

float last_theta, last_radius;

for (int i = 0; i < len; i++) {

auto noise_deg = ofMap(ofNoise(this->param_list[k].x, (ofGetFrameNum() + i) * 0.003), 0, 1, -360, 360);

auto noise_radius = ofMap(ofNoise(this->param_list[k].y, (ofGetFrameNum() + i) * 0.0085), 0, 1, -320, 320);

auto next_noise_deg = ofMap(ofNoise(this->param_list[k].x, (ofGetFrameNum() + i + 1) * 0.003), 0, 1, -360, 360);

auto next_noise_radius = ofMap(ofNoise(this->param_list[k].y, (ofGetFrameNum() + i + 1) * 0.0085), 0, 1, -320, 320);

auto location = glm::vec3(noise_radius * cos(noise_deg * DEG_TO_RAD), noise_radius * sin(noise_deg * DEG_TO_RAD), 0);

auto next = glm::vec3(next_noise_radius * cos(next_noise_deg * DEG_TO_RAD), next_noise_radius * sin(next_noise_deg * DEG_TO_RAD), 0);

auto direction = next - location;

auto theta = atan2(direction.y, direction.x);

right.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta + PI * 0.5), ofMap(i, 0, 25, 0, head_size) * sin(theta + PI * 0.5), 0));

left.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta - PI * 0.5), ofMap(i, 0, 25, 0, head_size) * sin(theta - PI * 0.5), 0));

last_location = location;

last_theta = theta;

last_radius = noise_radius;

}

for (int i = 0; i < right.size(); i++) {

color.setHsb(ofMap(k, 0, this->param_list.size(), 0, 255), 150, 255);

mesh.addVertex(left[i]);

mesh.addVertex(right[i]);

mesh.addColor(color);

}

for (int i = 0; i < mesh.getNumVertices() - 2; i += 2) {

mesh.addIndex(i + 0); mesh.addIndex(i + 1); mesh.addIndex(i + 3);

mesh.addIndex(i + 0); mesh.addIndex(i + 2); mesh.addIndex(i + 3);

}

auto tmp_head_size = ofMap(mesh.getNumVertices() - 2, 0, mesh.getNumVertices(), 0, head_size);

mesh.addVertex(last_location);

mesh.addColor(color);

int index = mesh.getNumVertices();

for (auto theta = last_theta - PI * 0.5; theta <= last_theta + PI * 0.5; theta += PI / 20) {

mesh.addVertex(last_location + glm::vec3(tmp_head_size * cos(theta), tmp_head_size * sin(theta), 0));

mesh.addColor(color);

}

for (int i = index; i < mesh.getNumVertices() - 1; i++) {

mesh.addIndex(index); mesh.addIndex(i + 0); mesh.addIndex(i + 1);

}

if (abs(last_radius) < 2) { this->param_list[k].z += 0.1; }

int span = 4;

int deg_span = 360 / span;

for (int i = 0; i < span; i++) {

ofRotate(deg_span);

mesh.draw();

}

ofPopMatrix();

}

int start = 200;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

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/Insta20240408

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年4月7日

Gradations.

[ Video ]

[ About ]
グラデーションず。

[ 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);

	vector<glm::vec3> param_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);

vector<glm::vec3> param_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(25);
	ofSetWindowTitle("openframeworks");

	ofBackground(239);

	for (int i = 0; i < 6; i++) {

		this->param_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));
	}
}

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

}

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

	ofTranslate(ofGetWindowSize() * 0.5);

	auto len = 25;
	ofColor color;

	for (int j = 0; j < 2; j++) {

		auto head_size = j == 0 ? 18 : 10;
		for (int k = 0; k < this->param_list.size(); k++) {

			ofPushMatrix();

			ofMesh mesh;
			vector<glm::vec3> right, left;

			glm::vec3 last_location;
			float last_theta, last_radius;

			for (int i = 0; i < len; i++) {

				auto noise_deg = ofMap(ofNoise(this->param_list[k].x, (ofGetFrameNum() + i) * 0.006), 0, 1, -360, 360);
				auto noise_radius = ofMap(ofNoise(this->param_list[k].y, (ofGetFrameNum() + i) * 0.0085), 0, 1, -320, 320);
				auto next_noise_deg = ofMap(ofNoise(this->param_list[k].x, (ofGetFrameNum() + i + 1) * 0.006), 0, 1, -360, 360);
				auto next_noise_radius = ofMap(ofNoise(this->param_list[k].y, (ofGetFrameNum() + i + 1) * 0.0085), 0, 1, -320, 320);

				auto location = glm::vec3(noise_radius * cos(noise_deg * DEG_TO_RAD), noise_radius * sin(noise_deg * DEG_TO_RAD), 0);
				auto next = glm::vec3(next_noise_radius * cos(next_noise_deg * DEG_TO_RAD), next_noise_radius * sin(next_noise_deg * DEG_TO_RAD), 0);

				auto direction = next - location;
				auto theta = atan2(direction.y, direction.x);

				right.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta + PI * 0.5), ofMap(i, 0, 25, 0, head_size) * sin(theta + PI * 0.5), 0));
				left.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta - PI * 0.5), ofMap(i, 0, 25, 0, head_size) * sin(theta - PI * 0.5), 0));

				last_location = location;
				last_theta = theta;
				last_radius = noise_radius;
			}

			for (int i = 0; i < right.size(); i++) {

				if (j == 0) {

					color = ofColor(39);
				}
				else {

					color.setHsb(ofMap(i, 0, right.size(),  k * 42, k * 42 + 31), 150, 255);
				}

				mesh.addVertex(left[i]);
				mesh.addVertex(right[i]);
				
				mesh.addColor(color);
				mesh.addColor(color);
			}

			for (int i = 0; i < mesh.getNumVertices() - 2; i += 2) {

				mesh.addIndex(i + 0); mesh.addIndex(i + 1); mesh.addIndex(i + 3);
				mesh.addIndex(i + 0); mesh.addIndex(i + 2); mesh.addIndex(i + 3);
			}

			auto tmp_head_size = ofMap(mesh.getNumVertices() - 2, 0, mesh.getNumVertices(), 0, head_size);

			mesh.addVertex(last_location);
			mesh.addColor(color);
			int index = mesh.getNumVertices();
			for (auto theta = last_theta - PI * 0.5; theta <= last_theta + PI * 0.5; theta += PI / 20) {

				mesh.addVertex(last_location + glm::vec3(tmp_head_size * cos(theta), tmp_head_size * sin(theta), 0));
				mesh.addColor(color);
			}

			for (int i = index; i < mesh.getNumVertices() - 1; i++) {

				mesh.addIndex(index); mesh.addIndex(i + 0); mesh.addIndex(i + 1);
			}

			if (abs(last_radius) < 2) { this->param_list[k].z += 0.1; }


			int span = 2;
			int deg_span = 360 / span;
			for (int i = 0; i < span; i++) {

				ofRotate(deg_span);
				mesh.draw();
			}

			ofPopMatrix();
		}
		head_size -= 3;
	}

	/*
	int start = 75;
	if (ofGetFrameNum() > start) {

		ostringstream os;
		os << setw(4) << setfill('0') << ofGetFrameNum() - start;
		ofImage image;
		image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());
		image.saveImage("image/cap/img_" + os.str() + ".jpg");
		if (ofGetFrameNum() - start >= 25 * 20) {

			std::exit(1);
		}
	}
	*/
}

//--------------------------------------------------------------
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());
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(25);

ofSetWindowTitle("openframeworks");

ofBackground(239);

for (int i = 0; i < 6; i++) {

this->param_list.push_back(glm::vec3(ofRandom(1000), ofRandom(1000), ofRandom(1000)));

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

ofTranslate(ofGetWindowSize() * 0.5);

auto len = 25;

ofColor color;

for (int j = 0; j < 2; j++) {

auto head_size = j == 0 ? 18 : 10;

for (int k = 0; k < this->param_list.size(); k++) {

ofPushMatrix();

ofMesh mesh;

vector<glm::vec3> right, left;

glm::vec3 last_location;

float last_theta, last_radius;

for (int i = 0; i < len; i++) {

auto noise_deg = ofMap(ofNoise(this->param_list[k].x, (ofGetFrameNum() + i) * 0.006), 0, 1, -360, 360);

auto noise_radius = ofMap(ofNoise(this->param_list[k].y, (ofGetFrameNum() + i) * 0.0085), 0, 1, -320, 320);

auto next_noise_deg = ofMap(ofNoise(this->param_list[k].x, (ofGetFrameNum() + i + 1) * 0.006), 0, 1, -360, 360);

auto next_noise_radius = ofMap(ofNoise(this->param_list[k].y, (ofGetFrameNum() + i + 1) * 0.0085), 0, 1, -320, 320);

auto location = glm::vec3(noise_radius * cos(noise_deg * DEG_TO_RAD), noise_radius * sin(noise_deg * DEG_TO_RAD), 0);

auto next = glm::vec3(next_noise_radius * cos(next_noise_deg * DEG_TO_RAD), next_noise_radius * sin(next_noise_deg * DEG_TO_RAD), 0);

auto direction = next - location;

auto theta = atan2(direction.y, direction.x);

right.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta + PI * 0.5), ofMap(i, 0, 25, 0, head_size) * sin(theta + PI * 0.5), 0));

left.push_back(location + glm::vec3(ofMap(i, 0, len, 0, head_size) * cos(theta - PI * 0.5), ofMap(i, 0, 25, 0, head_size) * sin(theta - PI * 0.5), 0));

last_location = location;

last_theta = theta;

last_radius = noise_radius;

}

for (int i = 0; i < right.size(); i++) {

if (j == 0) {

color = ofColor(39);

}

else {

color.setHsb(ofMap(i, 0, right.size(), k * 42, k * 42 + 31), 150, 255);

}

mesh.addVertex(left[i]);

mesh.addVertex(right[i]);

mesh.addColor(color);

}

for (int i = 0; i < mesh.getNumVertices() - 2; i += 2) {

mesh.addIndex(i + 0); mesh.addIndex(i + 1); mesh.addIndex(i + 3);

mesh.addIndex(i + 0); mesh.addIndex(i + 2); mesh.addIndex(i + 3);

}

auto tmp_head_size = ofMap(mesh.getNumVertices() - 2, 0, mesh.getNumVertices(), 0, head_size);

mesh.addVertex(last_location);

mesh.addColor(color);

int index = mesh.getNumVertices();

for (auto theta = last_theta - PI * 0.5; theta <= last_theta + PI * 0.5; theta += PI / 20) {

mesh.addVertex(last_location + glm::vec3(tmp_head_size * cos(theta), tmp_head_size * sin(theta), 0));

mesh.addColor(color);

}

for (int i = index; i < mesh.getNumVertices() - 1; i++) {

mesh.addIndex(index); mesh.addIndex(i + 0); mesh.addIndex(i + 1);

}

if (abs(last_radius) < 2) { this->param_list[k].z += 0.1; }

int span = 2;

int deg_span = 360 / span;

for (int i = 0; i < span; i++) {

ofRotate(deg_span);

mesh.draw();

}

ofPopMatrix();

}

head_size -= 3;

}

int start = 75;

if (ofGetFrameNum() > start) {

ostringstream os;

os << setw(4) << setfill('0') << ofGetFrameNum() - start;

ofImage image;

image.grabScreen(0, 0, ofGetWidth(), ofGetHeight());

image.saveImage("image/cap/img_" + os.str() + ".jpg");

if (ofGetFrameNum() - start >= 25 * 20) {

std::exit(1);

}

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

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/Insta20240407

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年4月
月	火	水	木	金	土	日
1	2	3	4	5	6	7
8	9	10	11	12	13	14
15	16	17	18	19	20	21
22	23	24	25	26	27	28
29	30