/* Copyright (c) 2007 Scott Lembcke * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "chipmunk/chipmunk.h" #include "ChipmunkDemo.h" static const int image_width = 188; static const int image_height = 35; static const int image_row_length = 24; float ChipmunkDebugDrawPointLineScale = 1.0f; static const char image_bitmap[] = { 15, -16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, -64, 15, 63, -32, -2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, -64, 15, 127, -125, -1, -128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 127, -64, 15, 127, 15, -1, -64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, -64, 15, -2, 31, -1, -64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, -64, 0, -4, 63, -1, -32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, -64, 15, -8, 127, -1, -32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -1, -64, 0, -8, -15, -1, -32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, -31, -1, -64, 15, -8, -32, -1, -32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, -15, -1, -64, 9, -15, -32, -1, -32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 31, -15, -1, -64, 0, -15, -32, -1, -32, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 63, -7, -1, -64, 9, -29, -32, 127, -61, -16, 63, 15, -61, -1, -8, 31, -16, 15, -8, 126, 7, -31, -8, 31, -65, -7, -1, -64, 9, -29, -32, 0, 7, -8, 127, -97, -25, -1, -2, 63, -8, 31, -4, -1, 15, -13, -4, 63, -1, -3, -1, -64, 9, -29, -32, 0, 7, -8, 127, -97, -25, -1, -2, 63, -8, 31, -4, -1, 15, -13, -2, 63, -1, -3, -1, -64, 9, -29, -32, 0, 7, -8, 127, -97, -25, -1, -1, 63, -4, 63, -4, -1, 15, -13, -2, 63, -33, -1, -1, -32, 9, -25, -32, 0, 7, -8, 127, -97, -25, -1, -1, 63, -4, 63, -4, -1, 15, -13, -1, 63, -33, -1, -1, -16, 9, -25, -32, 0, 7, -8, 127, -97, -25, -1, -1, 63, -4, 63, -4, -1, 15, -13, -1, 63, -49, -1, -1, -8, 9, -57, -32, 0, 7, -8, 127, -97, -25, -8, -1, 63, -2, 127, -4, -1, 15, -13, -1, -65, -49, -1, -1, -4, 9, -57, -32, 0, 7, -8, 127, -97, -25, -8, -1, 63, -2, 127, -4, -1, 15, -13, -1, -65, -57, -1, -1, -2, 9, -57, -32, 0, 7, -8, 127, -97, -25, -8, -1, 63, -2, 127, -4, -1, 15, -13, -1, -1, -57, -1, -1, -1, 9, -57, -32, 0, 7, -1, -1, -97, -25, -8, -1, 63, -1, -1, -4, -1, 15, -13, -1, -1, -61, -1, -1, -1, -119, -57, -32, 0, 7, -1, -1, -97, -25, -8, -1, 63, -1, -1, -4, -1, 15, -13, -1, -1, -61, -1, -1, -1, -55, -49, -32, 0, 7, -1, -1, -97, -25, -8, -1, 63, -1, -1, -4, -1, 15, -13, -1, -1, -63, -1, -1, -1, -23, -49, -32, 127, -57, -1, -1, -97, -25, -1, -1, 63, -1, -1, -4, -1, 15, -13, -1, -1, -63, -1, -1, -1, -16, -49, -32, -1, -25, -1, -1, -97, -25, -1, -1, 63, -33, -5, -4, -1, 15, -13, -1, -1, -64, -1, -9, -1, -7, -49, -32, -1, -25, -8, 127, -97, -25, -1, -1, 63, -33, -5, -4, -1, 15, -13, -1, -1, -64, -1, -13, -1, -32, -49, -32, -1, -25, -8, 127, -97, -25, -1, -2, 63, -49, -13, -4, -1, 15, -13, -1, -1, -64, 127, -7, -1, -119, -17, -15, -1, -25, -8, 127, -97, -25, -1, -2, 63, -49, -13, -4, -1, 15, -13, -3, -1, -64, 127, -8, -2, 15, -17, -1, -1, -25, -8, 127, -97, -25, -1, -8, 63, -49, -13, -4, -1, 15, -13, -3, -1, -64, 63, -4, 120, 0, -17, -1, -1, -25, -8, 127, -97, -25, -8, 0, 63, -57, -29, -4, -1, 15, -13, -4, -1, -64, 63, -4, 0, 15, -17, -1, -1, -25, -8, 127, -97, -25, -8, 0, 63, -57, -29, -4, -1, -1, -13, -4, -1, -64, 31, -2, 0, 0, 103, -1, -1, -57, -8, 127, -97, -25, -8, 0, 63, -57, -29, -4, -1, -1, -13, -4, 127, -64, 31, -2, 0, 15, 103, -1, -1, -57, -8, 127, -97, -25, -8, 0, 63, -61, -61, -4, 127, -1, -29, -4, 127, -64, 15, -8, 0, 0, 55, -1, -1, -121, -8, 127, -97, -25, -8, 0, 63, -61, -61, -4, 127, -1, -29, -4, 63, -64, 15, -32, 0, 0, 23, -1, -2, 3, -16, 63, 15, -61, -16, 0, 31, -127, -127, -8, 31, -1, -127, -8, 31, -128, 7, -128, 0, 0}; static inline int get_pixel(int x, int y) { return (image_bitmap[(x >> 3) + y * image_row_length] >> (~x & 0x7)) & 1; } static int bodyCount = 0; static void update(cpSpace* space, double dt) { cpSpaceStep(space, dt); } static void DrawDot(cpBody* body, void* unused) { ChipmunkDebugDrawDot(3.5 / ChipmunkDebugDrawPointLineScale, cpBodyGetPosition(body), RGBAColor(0xee / 255.0f, 0xe8 / 255.0f, 0xd5 / 255.0f, 1.0f)); } static void draw(cpSpace* space) { cpSpaceEachBody(space, DrawDot, NULL); // ChipmunkDebugDrawCollisionPoints(space); } static cpShape* make_ball(cpFloat x, cpFloat y) { cpBody* body = cpBodyNew(1.0, INFINITY); cpBodySetPosition(body, cpv(x, y)); cpShape* shape = cpCircleShapeNew(body, 0.95, cpvzero); cpShapeSetElasticity(shape, 0.0); cpShapeSetFriction(shape, 0.0); return shape; } static cpSpace* init(void) { cpSpace* space = cpSpaceNew(); cpSpaceSetIterations(space, 1); // The space will contain a very large number of similary sized objects. // This is the perfect candidate for using the spatial hash. // Generally you will never need to do this. cpSpaceUseSpatialHash(space, 2.0, 10000); bodyCount = 0; cpBody* body; cpShape* shape; for (int y = 0; y < image_height; y++) { for (int x = 0; x < image_width; x++) { if (!get_pixel(x, y)) continue; cpFloat x_jitter = 0.05 * frand(); cpFloat y_jitter = 0.05 * frand(); shape = make_ball(2 * (x - image_width / 2 + x_jitter), 2 * (image_height / 2 - y + y_jitter)); cpSpaceAddBody(space, cpShapeGetBody(shape)); cpSpaceAddShape(space, shape); bodyCount++; } } body = cpSpaceAddBody(space, cpBodyNew(1e9, INFINITY)); cpBodySetPosition(body, cpv(-1000, -10)); cpBodySetVelocity(body, cpv(400, 0)); shape = cpSpaceAddShape(space, cpCircleShapeNew(body, 8.0f, cpvzero)); cpShapeSetElasticity(shape, 0.0); cpShapeSetFriction(shape, 0.0); cpShapeSetFilter(shape, NOT_GRABBABLE_FILTER); bodyCount++; return space; } static void destroy(cpSpace* space) { ChipmunkDemoFreeSpaceChildren(space); cpSpaceFree(space); } ChipmunkDemo LogoSmash = { "Logo Smash", 1.0 / 60.0, init, update, draw, destroy, };