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Added some functions and Updated examples

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raysan5
2013-11-28 19:59:56 +01:00
parent 818e79638b
commit e9143b8a8d
35 changed files with 586 additions and 199 deletions
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42
src/textures.c
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@@ -197,7 +197,7 @@ void DrawTextureEx(Texture2D texture, Vector2 position, float rotation, float sc
}
// Draw a part of a texture (defined by a rectangle)
void DrawTextureRec(Texture2D texture, Rectangle sourceRec, Vector2 position, float scale, Color tint)
void DrawTextureRec(Texture2D texture, Rectangle sourceRec, Vector2 position, Color tint)
{
glEnable(GL_TEXTURE_2D); // Enable textures usage
@@ -205,7 +205,7 @@ void DrawTextureRec(Texture2D texture, Rectangle sourceRec, Vector2 position, fl
glPushMatrix();
glTranslatef(position.x, position.y, 0);
glScalef(scale, scale, 1.0f);
//glScalef(1.0f, 1.0f, 1.0f);
//glRotatef(rotation, 0, 0, 1);
glBegin(GL_QUADS);
@@ -233,6 +233,44 @@ void DrawTextureRec(Texture2D texture, Rectangle sourceRec, Vector2 position, fl
glDisable(GL_TEXTURE_2D); // Disable textures usage
}
// Draw a part of a texture (defined by a rectangle) with 'pro' parameters
// TODO: Test this function...
void DrawTexturePro(Texture2D texture, Rectangle sourceRec, Rectangle destRec, Vector2 origin, float rotation, Color tint)
{
glEnable(GL_TEXTURE_2D); // Enable textures usage
glBindTexture(GL_TEXTURE_2D, texture.glId);
glPushMatrix();
glTranslatef(-origin.x, -origin.y, 0);
glRotatef(rotation, 0, 0, 1);
glTranslatef(destRec.x + origin.x, destRec.y + origin.y, 0);
glBegin(GL_QUADS);
glColor4ub(tint.r, tint.g, tint.b, tint.a);
glNormal3f(0.0f, 0.0f, 1.0f); // Normal vector pointing towards viewer
// Bottom-left corner for texture and quad
glTexCoord2f((float)sourceRec.x / texture.width, (float)sourceRec.y / texture.height);
glVertex2f(0.0f, 0.0f);
// Bottom-right corner for texture and quad
glTexCoord2f((float)(sourceRec.x + sourceRec.width) / texture.width, (float)sourceRec.y / texture.height);
glVertex2f(destRec.width, 0.0f);
// Top-right corner for texture and quad
glTexCoord2f((float)(sourceRec.x + sourceRec.width) / texture.width, (float)(sourceRec.y + sourceRec.height) / texture.height);
glVertex2f(destRec.width, destRec.height);
// Top-left corner for texture and quad
glTexCoord2f((float)sourceRec.x / texture.width, (float)(sourceRec.y + sourceRec.height) / texture.height);
glVertex2f(0.0f, destRec.height);
glEnd();
glPopMatrix();
glDisable(GL_TEXTURE_2D); // Disable textures usage
}
// Creates a bitmap (BMP) file from an array of pixel data
// NOTE: This function is only used by module [core], not explicitly available to raylib users
extern void WriteBitmap(const char *fileName, const Color *imgDataPixel, int width, int height)