noise – ページ 101 – プログラミング de 落描き

2022年6月10日

Ameba packing. Draw by openFrameworks

[ Video ]

[ About ]
アメーバパッキング。

Ameba packing.

[ 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) {};

	void draw_circle_packing(glm::vec2, float, vector<ofColor>);

	ofEasyCam cam;

	float random_seed;
	vector<glm::vec2> location_list;
	vector<float> radus_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) {};

void draw_circle_packing(glm::vec2, float, vector<ofColor>);

ofEasyCam cam;

float random_seed;

vector<glm::vec2> location_list;

vector<float> radus_list;

};

#include "ofApp.h"

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

	ofSetFrameRate(30);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofNoFill();
	ofSetCircleResolution(36);

	this->random_seed = ofRandom(1000);
}

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

	//if (ofGetFrameNum() % 180 < 5) {

	//	this->random_seed = ofRandom(1000);
	//}

	ofSeedRandom(this->random_seed);
}

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

	this->cam.begin();

	//// Day 228 Zenith Blue 
	vector<ofColor> color_palette;
	color_palette.push_back(ofColor(134, 179, 224));
	color_palette.push_back(ofColor(251, 218, 205));
	color_palette.push_back(ofColor(234, 96, 148));

	this->draw_circle_packing(glm::vec2(), 340, color_palette);

	this->cam.end();

}

//--------------------------------------------------------------
void ofApp::draw_circle_packing(glm::vec2 location, float radius, vector<ofColor> color_palette) {

	auto number_of_sphere = radius * 0.8;
	vector<glm::vec2> location_list;
	vector<float> radius_list;

	while (location_list.size() < number_of_sphere) {

		auto tmp_deg = ofRandom(0, 360);
		auto noise_radius = ofMap(ofNoise(radius * cos(tmp_deg * DEG_TO_RAD) * 0.005, radius * sin(tmp_deg * DEG_TO_RAD) * 0.005, ofGetFrameNum() * 0.01), 0, 1, radius * 0.5, radius * 1.2);
		auto tmp_location_radius = ofRandom(1, noise_radius);
		
		auto tmp_location = glm::vec2(location.x + tmp_location_radius * cos(tmp_deg * DEG_TO_RAD), location.y + tmp_location_radius * sin(tmp_deg * DEG_TO_RAD));
		auto tmp_radius = ofRandom(radius * 0.003, radius * 0.22);

		bool flag = true;
		for (int i = 0; i < location_list.size(); i++) {

			if (glm::distance(tmp_location, location_list[i]) < tmp_radius + radius_list[i] + 1) {

				flag = false;
				break;
			}
		}

		if (flag) {

			location_list.push_back(tmp_location);
			radius_list.push_back(tmp_radius);

			ofPushMatrix();
			ofTranslate(tmp_location);

			int color_index = ofRandom(color_palette.size());

			ofFill();
			ofSetColor(color_palette[color_index], 100);
			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 1) {

				auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);
				ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(true);

			ofNoFill();
			ofSetColor(color_palette[color_index]);
			ofBeginShape();
			for (int deg = 0; deg < 360; deg += 1) {

				auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);
				ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));
			}
			ofEndShape(true);

			ofPopMatrix();
		}
	}
}

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

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

100

101

102

103

104

105

106

107

108

109

110

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofNoFill();

ofSetCircleResolution(36);

this->random_seed = ofRandom(1000);

}

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

void ofApp::update() {

//if (ofGetFrameNum() % 180 < 5) {

// this->random_seed = ofRandom(1000);

//}

ofSeedRandom(this->random_seed);

}

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

void ofApp::draw() {

this->cam.begin();

//// Day 228 Zenith Blue

vector<ofColor> color_palette;

color_palette.push_back(ofColor(134, 179, 224));

color_palette.push_back(ofColor(251, 218, 205));

color_palette.push_back(ofColor(234, 96, 148));

this->draw_circle_packing(glm::vec2(), 340, color_palette);

this->cam.end();

}

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

void ofApp::draw_circle_packing(glm::vec2 location, float radius, vector<ofColor> color_palette) {

auto number_of_sphere = radius * 0.8;

vector<glm::vec2> location_list;

vector<float> radius_list;

while (location_list.size() < number_of_sphere) {

auto tmp_deg = ofRandom(0, 360);

auto noise_radius = ofMap(ofNoise(radius * cos(tmp_deg * DEG_TO_RAD) * 0.005, radius * sin(tmp_deg * DEG_TO_RAD) * 0.005, ofGetFrameNum() * 0.01), 0, 1, radius * 0.5, radius * 1.2);

auto tmp_location_radius = ofRandom(1, noise_radius);

auto tmp_location = glm::vec2(location.x + tmp_location_radius * cos(tmp_deg * DEG_TO_RAD), location.y + tmp_location_radius * sin(tmp_deg * DEG_TO_RAD));

auto tmp_radius = ofRandom(radius * 0.003, radius * 0.22);

bool flag = true;

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

if (glm::distance(tmp_location, location_list[i]) < tmp_radius + radius_list[i] + 1) {

flag = false;

break;

}

if (flag) {

location_list.push_back(tmp_location);

radius_list.push_back(tmp_radius);

ofPushMatrix();

ofTranslate(tmp_location);

int color_index = ofRandom(color_palette.size());

ofFill();

ofSetColor(color_palette[color_index], 100);

ofBeginShape();

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

auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);

ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofNoFill();

ofSetColor(color_palette[color_index]);

ofBeginShape();

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

auto noise_value = ofNoise(tmp_location.x + tmp_radius * cos(deg * DEG_TO_RAD) * 0.05, tmp_location.y + tmp_radius * sin(deg * DEG_TO_RAD) * 0.05);

ofVertex(tmp_radius * noise_value * cos(deg * DEG_TO_RAD), tmp_radius * noise_value * sin(deg * DEG_TO_RAD));

}

ofEndShape(true);

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220610

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2022年6月9日

Move alternately. Draw by openFrameworks

[ Video ]

[ About ]
交互にノイズのパラメータを加算する。

Add the parameters of alternating noise.

[ 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) {};

	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size);
	void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

	ofEasyCam cam;
	ofMesh face_mesh, frame_mesh, sphere_mesh, draw_sphere_mesh;

	float noise_param_1, noise_param_2;
};

#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) {};

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size);

void setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth);

ofEasyCam cam;

ofMesh face_mesh, frame_mesh, sphere_mesh, draw_sphere_mesh;

float noise_param_1, noise_param_2;

};

#include "ofApp.h"

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

	ofSetFrameRate(60);
	ofSetWindowTitle("openframeworks");

	ofBackground(0);
	ofSetLineWidth(1);
	ofEnableDepthTest();

	auto ico_sphere = ofIcoSpherePrimitive(150, 4);
	this->sphere_mesh = ico_sphere.getMesh();
	this->frame_mesh.setMode(ofPrimitiveMode::OF_PRIMITIVE_LINES);

	this->noise_param_1 = ofRandom(1000);
	this->noise_param_2 = ofRandom(1000);
}

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

	if (ofGetFrameNum() % 90 < 45) {

		this->noise_param_1 += ofMap(ofGetFrameNum() % 90, 0, 45, 0.15, 0);
	}
	else {

		this->noise_param_2 += ofMap(ofGetFrameNum() % 90, 45, 90, 0.15, 0);
	}

	this->face_mesh.clear();
	this->frame_mesh.clear();

	this->draw_sphere_mesh = this->sphere_mesh;

	for (auto& vertex : this->draw_sphere_mesh.getVertices()) {

		auto noise_value = ofNoise(glm::vec4(vertex * 0.01, noise_param_1));
		auto noise_radius = ofMap(noise_value, 0, 1, 65, 135);

		vertex = glm::normalize(vertex) * noise_radius;
	}

	auto span = 8;
	auto max_height = 150;
	auto radius = 250;
	for (auto x = -300; x <= 300; x += span) {

		for (auto y = -300; y <= 300; y += span) {

			auto distance = glm::length(glm::vec2(x, y));
			if (distance > radius - 20 && distance < radius + 20) {

				auto power = ofMap(abs(distance - radius), 0, 20, 1, 0.1);
				auto len = ofMap(ofNoise(x * 0.05, y * 0.05, noise_param_2), 0, 1, 0, max_height * power);
				this->setBoxToMesh(this->face_mesh, this->frame_mesh, glm::vec3(x, y, len * 0.5), span, span, len);
			}
		}
	}
}

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

	this->cam.begin();
	ofTranslate(0, -50, 0);
	ofRotateX(285);

	ofPushMatrix();
	ofTranslate(glm::vec3(0, 0, 200));
	
	ofSetColor(0);
	this->draw_sphere_mesh.draw();
	ofSetColor(255, 0, 0);
	this->draw_sphere_mesh.drawWireframe();

	ofPopMatrix();

	this->face_mesh.drawFaces();
	this->frame_mesh.drawWireframe();

	this->cam.end();
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size) {

	this->setBoxToMesh(face_target, frame_target, location, size, size, size);
}

//--------------------------------------------------------------
void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

	auto face_color = ofColor(0);
	auto frame_color = ofColor(255, 0, 0);

	int index = face_target.getVertices().size();

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));
	face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

	for (int i = 0; i < 8; i++) {

		face_target.addColor(face_color);
	}

	face_target.addIndex(index + 0); face_target.addIndex(index + 1); face_target.addIndex(index + 2);
	face_target.addIndex(index + 0); face_target.addIndex(index + 2); face_target.addIndex(index + 3);

	face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

	face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);
	face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

	face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);
	face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

	face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);
	face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

	face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);
	face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));
	frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));
	frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

	for (int i = 0; i < 8; i++) {

		frame_target.addColor(frame_color);
	}

	frame_target.addIndex(index + 0); frame_target.addIndex(index + 1);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);
	frame_target.addIndex(index + 2); frame_target.addIndex(index + 3);
	frame_target.addIndex(index + 3); frame_target.addIndex(index + 0);

	frame_target.addIndex(index + 4); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);
	frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

	frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);
	frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);
	frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);
	frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);
}

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

165

166

167

168

169

170

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(60);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(1);

ofEnableDepthTest();

auto ico_sphere = ofIcoSpherePrimitive(150, 4);

this->sphere_mesh = ico_sphere.getMesh();

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

this->noise_param_1 = ofRandom(1000);

this->noise_param_2 = ofRandom(1000);

}

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

void ofApp::update() {

if (ofGetFrameNum() % 90 < 45) {

this->noise_param_1 += ofMap(ofGetFrameNum() % 90, 0, 45, 0.15, 0);

}

else {

this->noise_param_2 += ofMap(ofGetFrameNum() % 90, 45, 90, 0.15, 0);

}

this->face_mesh.clear();

this->frame_mesh.clear();

this->draw_sphere_mesh = this->sphere_mesh;

for (auto& vertex : this->draw_sphere_mesh.getVertices()) {

auto noise_value = ofNoise(glm::vec4(vertex * 0.01, noise_param_1));

auto noise_radius = ofMap(noise_value, 0, 1, 65, 135);

vertex = glm::normalize(vertex) * noise_radius;

}

auto span = 8;

auto max_height = 150;

auto radius = 250;

for (auto x = -300; x <= 300; x += span) {

for (auto y = -300; y <= 300; y += span) {

auto distance = glm::length(glm::vec2(x, y));

if (distance > radius - 20 && distance < radius + 20) {

auto power = ofMap(abs(distance - radius), 0, 20, 1, 0.1);

auto len = ofMap(ofNoise(x * 0.05, y * 0.05, noise_param_2), 0, 1, 0, max_height * power);

this->setBoxToMesh(this->face_mesh, this->frame_mesh, glm::vec3(x, y, len * 0.5), span, span, len);

}

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

void ofApp::draw() {

this->cam.begin();

ofTranslate(0, -50, 0);

ofRotateX(285);

ofPushMatrix();

ofTranslate(glm::vec3(0, 0, 200));

ofSetColor(0);

this->draw_sphere_mesh.draw();

ofSetColor(255, 0, 0);

this->draw_sphere_mesh.drawWireframe();

ofPopMatrix();

this->face_mesh.drawFaces();

this->frame_mesh.drawWireframe();

this->cam.end();

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float size) {

this->setBoxToMesh(face_target, frame_target, location, size, size, size);

}

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

void ofApp::setBoxToMesh(ofMesh& face_target, ofMesh& frame_target, glm::vec3 location, float height, float width, float depth) {

auto face_color = ofColor(0);

auto frame_color = ofColor(255, 0, 0);

int index = face_target.getVertices().size();

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * 0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * -0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * 0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

face_target.addVertex(location + glm::vec3(width * -0.5 * 0.99, height * -0.5 * 0.99, depth * 0.5 * 0.99));

for (int i = 0; i < 8; i++) {

face_target.addColor(face_color);

}

face_target.addIndex(index + 0); face_target.addIndex(index + 1); face_target.addIndex(index + 2);

face_target.addIndex(index + 0); face_target.addIndex(index + 2); face_target.addIndex(index + 3);

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 4); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 0); face_target.addIndex(index + 4); face_target.addIndex(index + 1);

face_target.addIndex(index + 4); face_target.addIndex(index + 5); face_target.addIndex(index + 1);

face_target.addIndex(index + 1); face_target.addIndex(index + 5); face_target.addIndex(index + 6);

face_target.addIndex(index + 6); face_target.addIndex(index + 2); face_target.addIndex(index + 1);

face_target.addIndex(index + 2); face_target.addIndex(index + 6); face_target.addIndex(index + 7);

face_target.addIndex(index + 7); face_target.addIndex(index + 3); face_target.addIndex(index + 2);

face_target.addIndex(index + 3); face_target.addIndex(index + 7); face_target.addIndex(index + 4);

face_target.addIndex(index + 4); face_target.addIndex(index + 0); face_target.addIndex(index + 3);

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * 0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * -0.5));

frame_target.addVertex(location + glm::vec3(width * 0.5, height * -0.5, depth * 0.5));

frame_target.addVertex(location + glm::vec3(width * -0.5, height * -0.5, depth * 0.5));

for (int i = 0; i < 8; i++) {

frame_target.addColor(frame_color);

}

frame_target.addIndex(index + 0); frame_target.addIndex(index + 1);

frame_target.addIndex(index + 1); frame_target.addIndex(index + 2);

frame_target.addIndex(index + 2); frame_target.addIndex(index + 3);

frame_target.addIndex(index + 3); frame_target.addIndex(index + 0);

frame_target.addIndex(index + 4); frame_target.addIndex(index + 5);

frame_target.addIndex(index + 5); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 6); frame_target.addIndex(index + 7);

frame_target.addIndex(index + 7); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 0); frame_target.addIndex(index + 4);

frame_target.addIndex(index + 1); frame_target.addIndex(index + 5);

frame_target.addIndex(index + 2); frame_target.addIndex(index + 6);

frame_target.addIndex(index + 3); frame_target.addIndex(index + 7);

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220609

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2022年6月8日

Division circle. Draw by openFrameworks

[ Video ]

[ About ]
分割された円形。

Division circle.

[ 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 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) {};
};

#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 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);
	ofSetLineWidth(2);
	ofEnableDepthTest();
}

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

}

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

	for (int x = 160; x < 620; x += 100) {

		for (int y = 160; y < 620; y += 100) {

			ofPushMatrix();
			ofTranslate(x, y);

			ofRotateZ(ofMap(ofNoise(x, y, ofGetFrameNum() * 0.0035), 0, 1, -360, 360));

			auto radius = 40;
			auto deg_start = 0;
			auto deg_end = deg_start + 180;
			auto deg_span = 10;
			for (int deg = deg_start; deg < deg_end; deg += deg_span) {

				auto center = glm::vec2(radius * cos((deg + deg_span / 2) * DEG_TO_RAD), 0);
				auto noise_value = ofNoise((x + center.x) * 0.0075, y * 0.0075, ofGetFrameNum() * 0.01);
				auto rotate = noise_value < 0.5 ? 0.f : ofMap(noise_value, 0.5, 1, 0, 360);

				ofPushMatrix();
				ofTranslate(center);
				ofRotateX(rotate);

				vector<glm::vec2> vertices_1, vertices_2;
				for (int tmp_deg = deg + 1; tmp_deg < deg + deg_span; tmp_deg++) {

					auto point = glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD));
					vertices_1.push_back(point - center);
					vertices_2.push_back(glm::vec2(point.x, -point.y) - center);
				}

				reverse(vertices_2.begin(), vertices_2.end());

				ofFill();
				ofSetColor(0);
				ofBeginShape();
				ofVertices(vertices_1);
				ofVertices(vertices_2);
				ofEndShape(true);

				ofNoFill();
				ofSetColor(255, 0, 0);
				ofBeginShape();
				ofVertices(vertices_1);
				ofVertices(vertices_2);
				ofEndShape(true);

				ofPopMatrix();
			}

			ofPopMatrix();
		}
	}
}

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

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

#include "ofApp.h"

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

void ofApp::setup() {

ofSetFrameRate(30);

ofSetWindowTitle("openframeworks");

ofBackground(0);

ofSetLineWidth(2);

ofEnableDepthTest();

}

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

void ofApp::update() {

}

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

void ofApp::draw() {

for (int x = 160; x < 620; x += 100) {

for (int y = 160; y < 620; y += 100) {

ofPushMatrix();

ofTranslate(x, y);

ofRotateZ(ofMap(ofNoise(x, y, ofGetFrameNum() * 0.0035), 0, 1, -360, 360));

auto radius = 40;

auto deg_start = 0;

auto deg_end = deg_start + 180;

auto deg_span = 10;

for (int deg = deg_start; deg < deg_end; deg += deg_span) {

auto center = glm::vec2(radius * cos((deg + deg_span / 2) * DEG_TO_RAD), 0);

auto noise_value = ofNoise((x + center.x) * 0.0075, y * 0.0075, ofGetFrameNum() * 0.01);

auto rotate = noise_value < 0.5 ? 0.f : ofMap(noise_value, 0.5, 1, 0, 360);

ofPushMatrix();

ofTranslate(center);

ofRotateX(rotate);

vector<glm::vec2> vertices_1, vertices_2;

for (int tmp_deg = deg + 1; tmp_deg < deg + deg_span; tmp_deg++) {

auto point = glm::vec2(radius * cos(tmp_deg * DEG_TO_RAD), radius * sin(tmp_deg * DEG_TO_RAD));

vertices_1.push_back(point - center);

vertices_2.push_back(glm::vec2(point.x, -point.y) - center);

}

reverse(vertices_2.begin(), vertices_2.end());

ofFill();

ofSetColor(0);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofNoFill();

ofSetColor(255, 0, 0);

ofBeginShape();

ofVertices(vertices_1);

ofVertices(vertices_2);

ofEndShape(true);

ofPopMatrix();

}

ofPopMatrix();

}

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

int main() {

ofSetupOpenGL(720, 720, OF_WINDOW);

ofRunApp(new ofApp());

}

[ Link ]
https://github.com/junkiyoshi/Insta20220608

[ほしいものリスト]
Amazon

[ Sponsor Link ]

2024年5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	31