From 9e9140cdf95845c580ba084342033094e928c6e8 Mon Sep 17 00:00:00 2001 From: Vegard Storheil Eriksen Date: Sun, 23 May 2010 19:54:25 +0200 Subject: Moved BulletPattern1 and BulletPattern2. --- engine/bulletpattern.cpp | 66 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 66 insertions(+) (limited to 'engine/bulletpattern.cpp') diff --git a/engine/bulletpattern.cpp b/engine/bulletpattern.cpp index b9a0bbd..fa43f59 100644 --- a/engine/bulletpattern.cpp +++ b/engine/bulletpattern.cpp @@ -42,3 +42,69 @@ void BulletPattern::draw() { glDisableClientState(GL_VERTEX_ARRAY); } + +BulletPattern1::BulletPattern1() { + num_bullets = steps = 0; + color_r = 0; + color_g = 1; + color_b = 0; + stride = sizeof(float); + bullets = new float[8*32*5]; + + int k = 0; + for(int j = 0; j < 8; j++) { + for(float i = 0; i < M_PI; i += 0.1, k++) { + bullets[k*5] = 0.5 + sinf(j % 2 ? M_PI_2 + i : M_PI - i + M_PI_2) * 0.09; + bullets[k*5 + 1] = 0.8 + cosf(M_PI_2 + i) * 0.1; + bullets[k*5 + 2] = sinf(j % 2 ? M_PI_2 + i : M_PI - i + M_PI_2) / 1000; + bullets[k*5 + 3] = -0.002; + bullets[k*5 + 4] = j * 24 + i * 6; + } + } +}; + +void BulletPattern1::update() { + steps++; + while(num_bullets < 256 && (unsigned int)(bullets[num_bullets*5 + 4]) < steps) { + num_bullets++; + } + for(int i = 0; i < num_bullets; i++) { + bullets[i*5] += bullets[i*5 + 2]; + bullets[i*5 + 1] += bullets[i*5 + 3]; + } +} + +BulletPattern2::BulletPattern2(float xpos, float ypos) { + num_bullets = 0; + color_r = 0.3; + color_g = 0.3; + color_b = 1.0; + stride = sizeof(float)*2; + bullets = new float[24*16*6]; + + int k = 0; + for(int j = 0; j < 24; j++) { + for(float i = 0; i < 2 * M_PI; i += 0.4, k++) { + bullets[k*6] = xpos; + bullets[k*6+1] = ypos; + bullets[k*6+2] = cosf(i) / 40; + bullets[k*6+3] = sinf(i) / 40; + bullets[k*6+4] = j * 10; + bullets[k*6+5] = i; + } + } +}; + +void BulletPattern2::update() { + steps++; + while(num_bullets < 384 && (unsigned int)(bullets[num_bullets*6 + 4]) < steps) { + num_bullets++; + } + for(int i = 0; i < num_bullets; i++) { + float l = bullets[i*6 + 5] - log1pf((steps - bullets[i*6+4])); + bullets[i*6+2] = cosf(l) / 500; + bullets[i*6+3] = sinf(l) / 500; + bullets[i*6] += bullets[i*6 + 2]; + bullets[i*6+1] += bullets[i*6 + 3]; + } +} \ No newline at end of file -- cgit v1.2.3